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卷九十六 志第四十九 河渠六

Volume 96 Treatises 49: Rivers and Canals 6

Chapter 96 of 宋史 · History of Song
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Chapter 96
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1
Southeastern Waters (Part One)
2
西使
During the Kaibao reign, the court debated an expedition against the Jiangnan region. The emperor approved the plan of Li Fu, transport commissioner for Jingxi, who raised tens of thousands of corvée laborers and local militia from He Prefecture to cut the Cross-River Canal at Liyang; Li Fu was put in charge of the project. Once the canal was finished, it opened the grain transport route, and military provisions were never in short supply.
3
In the eighth year, Li Yi, governor of Qiongzhou, reported: "Five li south of the prefectural seat lies Dulings Pond. By clearing and repairing its channels and weirs, over three hundred qing of flooded fields could be irrigated, and the local people depend upon it."
4
使 便
Long before this, the current at Beishan Yang Bay north of Chuzhou ran especially fast, and many vessels were lost to sinking. During Yongxi, transport commissioner Liu Pan proposed digging the Sha River to bypass the dangers of the Huai, but the work was not finished before he left office. Qiao Weiyue took over and opened a river from Chuzhou to Huaiyin, sixty li in all, which made navigation far easier.
5
使
In the first year of Tianxi, Ding Wei, governor of Sheng Prefecture, reported: "North of the city lies Hou Lake. In years past, when drought drained it, the lakebed was parceled out as farmland—seventy-six qing in all—bringing in millions in rent, while the benefits of irrigation and shade were lost. I propose to restore the farmland to the lake, cancel the rent, follow the old regulations, rebuild the banks, and dredge ponds and reservoirs to hold water so the suburbs never suffer drought. We could plant water chestnuts and gorgon fruit widely, raise fish and turtles, and let the poor fish and forage freely." Ming Prefecture also asked that the annual levy on the moat ponds and the reservoir lakes of Cixi and Yin counties be waived, allowing commoners to profit from them. The emperor approved all of these proposals.
6
使 便
In the second year, Jia Zongyan, Jiang-Huai transport commissioner, reported: "Annual tribute grain from every circuit passes from Zhen and Yang into the Huai and Bian, crossing five barrages. Cargo must be unloaded and reloaded at each lock, laborers are worn out hauling boats, and both government and private vessels are ruined in the process. We propose reopening Yangzhou's ancient river, skirting the south of the city to join the transport canal, demolishing the Longzhou, Xinxing, and Zhuyu barrages, and cutting a new transport channel near the locks to even out the water level. This would save the government several hundred thousand cash each year, with substantial overall benefit." The emperor ordered Liang Chu of the Bureau of State Farms and Li Juzhong, a gate attendant, to inspect the site; they reported that the plan was sound. The following year the project was finished. Water flowed into the new channel and stood level with the three former barrages; grain boats passed without hindrance, to the great benefit of government and merchants alike.
7
使
In the fourth year, Wang Guanzhi, Huainan agricultural commissioner, diverted water from the Shita barrage in Haizhou into Lianshui Army district to irrigate farmland; Jiang Ze, magistrate of Dingyuan County, and Cui Li, commander of Jiangyin Army, led the people in repairing abandoned ponds and dredging old harbors to water fields on higher ground. All received imperial edicts of commendation.
8
使''
In the tenth month of the first year of Xining, Emperor Shenzong decreed: "For the three barrages at Chang'an in Hangzhou, Shanqing in Xiuzhou, and Wangting in Changzhou, the supervising commissioners shall all take the additional title 'Director of River Ponds' and, together with their local magistrates and assistants, regularly inspect and maintain them, opening and closing the locks on schedule." This followed a petition from Hu Huai, who had been nominated to oversee river and canal works in the two Zhe circuits.
9
On jiashen day in the third month of the second year: earlier, Ling Minzhan had proposed abolishing the Lücheng barrage and had installed gates at Wangting barrage but left them unused. Dredging work then destroyed the ancient sluice culverts, stone gates, and Shitida structures, making the river even harder to navigate and exhausting the populace. At this point Minzhan and his associates were demoted to varying degrees.
10
沿 西
In the fifth month of the sixth year, Zheng Dan, magistrate of Yuqian County in Hangzhou, reported: "Land around Lake Tai in Suzhou is low and prone to flooding, while coastal land is high and prone to drought. The ancients left their waterworks everywhere: longitudinal channels, transverse embankments, and sluice gates, barrages, and drainage ditches laid out like a chessboard. Today more than two hundred sixty such works remain. I propose roughly following the ancient method: a longitudinal channel every seven li, a transverse embankment every ten li, using excavated earth to build dikes, at an estimated cost of two hundred thousand laborers. Water would serve the high fields and drought the low marshes; within three years all farmland in Suzhou could be brought under control." In the eleventh month, Zheng Dan was ordered to launch water conservancy projects. But the execution was misguided, the people grew bitter, and after barely a year labor service in the two Zhe circuits was suspended. Several months later, Shen Kuo of the Secretariat reported again: "The channels and creeks of western Zhe are shallow and dry and should be dredged; the dikes, rivers, and defenses of eastern Zhe are silted over and should be repaired. I ask that the Ministry of Revenue be directed to lend funds and hire labor for the work. The court agreed and also ordered Shen Kuo to survey waterworks throughout the two Zhe circuits.
11
宿
On renwu day in the first month of the ninth year, Liu Jin reported: "Projects could be revived at the ancient salt river in Jiangdu County, Yangzhou; Chen Gong Pond and other lakes in Gaoyou County; Baima and Pei ponds in Tianchang County; Nigang and Shema harbors in Baoying County, Chuzhou; Dutang Ditch and Longxing Creek in Shanyang County; Qingzhou Stream in Huaiyin County; the small river of Wan'an Lake in Hong County, Suzhou; and Shaopi in Anfeng County, Shouzhou, among others. I ask that each circuit transport office select officials to reinspect these sites." The court approved.
12
In the ninth month of the fifth year of Yuanfeng, Huainan supervisory officials reported: "Near Shuzhou city lies a great marsh fed by Qian Mountain, which discharges north of the outer gate. Recently a flash flood swept away residents. Prefect Yang Xiyuan built flood-control dikes 1,150 zhang long and installed two drainage sluice gates, thereby preventing floodwaters from inundating the city." Imperial commendations under the imperial seal were sent to all involved.
13
使 便 使 使 便 調
On wuchen day in the first month of the sixth year, work began on the Guishan transport canal; on yiwei day in the second month it was declared complete—fifty-seven li long, fifteen zhang wide, and one zhang five chi deep. Earlier, transport commissioner Xu Yuan had cut a new channel from Huaiyin to Hongze Lake, forty-nine li in all, to bypass the dangers of the main Huai. Over time it silted up. In the fourth year of Xining, Pi Gongbi petitioned for renewed dredging, starting on renyin day in the eleventh month and finishing on dingyou day in the first month of the following year, to everyone's benefit. At this point transport commissioner Luo Zheng proposed cutting an inner channel at Guishan from Hongze upstream to reach the Huai, and the emperor strongly approved. When transport commissioner Jiang Zhiqi came before the throne, he argued: "Above lies the clear Bian Canal, below Hongze Lake, yet the only real danger is the hundred li of the Huai. In recent years countless government and private cargoes have been lost there. Goods travel thousands of li across lakes and rivers from every circuit, only to be wrecked in this final hundred li—a grievous waste. We should cut a return channel along the left bank from Guishan and Shepu down to Hongze, drawing water from the Huai without barrages or gates, to escape wind, waves, and sinking." The emperor sent Chen Youfu, assistant director of the Directorate of Waterways, to oversee planning. Youfu reported: "Years ago, when Tian Fei served as Huainan judicial intendant, he spoke of the benefits of opening such a channel. A new channel from Huaiyin to Hongze was eventually completed, but the section above Hongze was never undertaken. Since we need no gates to impound water, we need only follow the Huai's level, deepen the channel bed, and draw the river through—a favorable arrangement. But the labor costs would be enormous." The emperor said: "The cost may be great, but the benefit is greater still." Youfu replied: "In past years as many as one hundred seventy vessels were lost on the Huai each year. The losses of just a few years would more than pay for the project." The emperor said: "Material loss is a lesser matter—what of human lives?" One hundred thousand laborers were mobilized for the work. When it was finished, Zhiqi was ordered to compose a commemorative inscription and carve it on stone at Guishan. Later, at the beginning of Jianzhong Jingguo, Zhiqi, now vice commissioner of the Bureau of Military Affairs, memorialized: "Huai floodwaters are seeping and scouring the dikes into sunken breaches. I ask that the transport office be ordered to repair them promptly." From then on this became an annual obligation.
14
簿便
That year Li Chen, registrar of the Directorate of Palace Buildings, reported: "In Ding, Li, and other prefectures, ditches and canals should be opened and sluice gates installed to benefit farmland." The emperor ordered plans to be drawn up and reported back. In the tenth month of the seventh year, the transport canals at Zhen and Chu were dredged.
15
西 西 西
In the fourth year of Yuanyou, Lin Xi, governor of Run Prefecture, petitioned to restore the Lücheng barrage with upper and lower gates opened and closed on schedule. Gates were subsequently installed at Jingkou, Guazhou, and Benniu as well. That year Su Shi, governor of Hangzhou, dredged the Mao Mountain and Salt Bridge rivers to receive both tidal water from the river and water from West Lake, building barrages and gates operated on schedule. Long ago Hangzhou lay near the sea, and its springs ran brackish and bitter. Tang prefect Li Bi first channeled West Lake water and dug six wells, giving the people an adequate supply. Bai Juyi later dredged West Lake again, channeling its water into the transport canal and irrigating a thousand qing of fields. Duckweed choked the lake; from the Tang through the Qian kingdom it was neglected. By now duckweed had piled up to more than two hundred fifty thousand zhang, leaving scarcely any open water. The transport canal lost West Lake's benefits and relied on tidal water instead. Tides silted the canal, flooded the markets, and required dredging every three years—a constant plague on the city—so the six wells nearly fell into disuse as well. After dredging the two rivers, Su Shi used the remaining labor to restore all six wells, to the people's great benefit.
16
穿 使
In the twelfth month the Jingdong transport office reported: "The Qing River links the Jiang, Zhe, and Huainan circuits, but at Xuzhou the Lüliang and Baibu rapids are treacherous, shallow, and violent, wrecking countless vessels. Boatmen, haulers, ox-drivers, and extortionists exploit every obstruction, and merchants refuse to travel the route. The court has already assigned Teng Xijing, vice-prefect of Qi Prefecture, and Zhao Song, magistrate of Jinling County in Changzhou, to survey the terrain and cut a channel. If we now open a bypass channel with stone dikes and upper and lower gates operated on schedule, vessels could pass freely—a lasting benefit. We ask that an envoy be dispatched to supervise construction." The court approved.
17
沿 滿
In the second year of Shaosheng an edict decreed: "River dikes along the boundaries of Wujin, Danyang, and Dantu counties, and the Shitida and Shimugou works, shall be inspected and maintained by local magistrates and assistants, who shall encourage households that profit from the waterways to carry out repairs. At the end of their terms, their diligence or neglect shall be assessed and rewarded or punished accordingly." This followed a petition from the Ministry of Works.
18
In the fourth month of the fourth year, Zhao Song of the Water Bureau petitioned to dredge the Eighteen-li River and ordered Jia Zhongmin to survey the Lüliang and Baibu rapids and relocate water mills. The emperor ordered the transport commissioner and circuit transport offices jointly to assess costs and benefits and report back.
19
滿
In the first month of the first year of Yuanfu, Wang Yu, governor of Run Prefecture, proposed: "At the Lücheng lock, a steady stream should be channeled into the basin to fill the lock chamber and assist passing vessels. If vessels arrive in numbers beyond local capacity, hauling soldiers may be temporarily assigned to assist. Supervising officials who complete their terms without water leakage shall be rewarded; those who open the gates prematurely shall be punished. Prefectural deputies and magistrates shall oversee this regularly." The emperor approved.
20
On jiayin day in the third month the Ministry of Works reported: "The Huainan river-opening office has completed the Zhijia River in Chuzhou, connecting Lianshui water with the Huai." It was given the name Tonglian River (River Connecting to Lianshui).
21
In the intercalary ninth month of the second year, the basin locks at Jingkou in Run Prefecture and Benniu in Chang Prefecture were completed. Earlier Zeng Xiaoyun, transport vice-commissioner for the two Zhe circuits, had presented an analysis of basin-lock benefits and costs. He was placed in charge of construction and directed to establish regulations governing when the locks should open and close.
22
In the second month of the third year an edict declared: "In Suzhou, Huzhou, and Xiuzhou, for all work on transport canals, harbors, ditches, dikes, sluice gates, and water barrages, river-opening troops may be employed."
23
In the twelfth month of the first year of Chongning, Emperor Huizong created the post of commissioner for Huai-Zhe basin locks, overseeing all locks from Hangzhou to Guazhou in Yangzhou—including old and new locks in Chang, Run, Hang, Xiu, and Yang prefectures.
24
使
Early in the second year of Chongning, Chen Zhongfang proposed dredging the Wusong River from Datong Creek to the sea, estimating more than 2.227 million labor units at a cost of 183,600 in cash and grain rations, and requesting ten supervising officials. The court referred the proposal to supervisory officials in the two Zhe circuits, who judged it feasible. The Qinglong River was also being opened at the time, and corvée laborers were overwhelmed. Xu Que, commissioner for the Ever-Normal Granaries, argued: "The three prefectures have 1,400 river-opening troops and two envoys. Let them guard the opened channels and dredge immediately whenever tidal sand silts them up; any use of them for other duties shall be prosecuted as a violation of regulations. Xu Que and the supervisory officials were repeatedly rewarded, which many regarded as excessive.
25
In the twelfth month an edict ordered Huainan to open the Yuming River from the river mouth at Xuanhua Town in Zhen Prefecture to the Huai estuary at Si Prefecture, with completion in five years.
26
調 退 使
In the third month of the following year an edict declared: "Last year's floods in the two Zhe circuits led officials to mobilize laborers for river works, but there was no effective leadership. Laborers were left exposed, without adequate food or shelter, and many fell ill and died. Flooding continued unabated, yet no one was held accountable—instead officials were promoted and rewarded. How can this satisfy the people's outrage?" The circuit judicial intendant's office was ordered to investigate. The judicial intendant's office reported: "Dredging the Wusong and Qinglong rivers employed fifty thousand laborers. One thousand one hundred sixty-two died. Costs reached 169,341 guan and shi in cash and grain. Floodwaters have still not receded." Thereupon the former planning officials, including transport vice-commissioner Liu He, were all demoted.
27
In the first month of the fourth year, Shen Yansi of the Granary Bureau was appointed to oversee opening the Qingcao and Dongting direct channels.
28
調使
In the fifth month of the first year of Daguan, Xu Guangning of the Secretariat reported: "During my time in Suzhou I questioned officials and commoners alike, and all agreed that the best way to end flooding is to open rivers and dredge creeks. Lake Tai lies among the prefectures; its waters must be channeled to the sea before they can drain away. Between Lake Tai and the sea lie the Three Rivers and numerous creeks. Clear those channels and flood control becomes effortless. Flood levels within the region are two chi lower than last year and four chi lower than the year before—thanks to opening the Wusong River and dredging the eight creeks. The people of Wu say that every river opened brings its own benefit, and every creek dredged brings its own. I ask that circuit supervisory officials, together with capable officers who understand water conditions, visit every river and creek, study costs and benefits in detail, and prepare over time before work begins. Then when labor is mobilized, the state need spend nothing while annual tribute remains secure; the people will not suffer undue hardship, and food supplies will not run short—a single undertaking bringing benefit for generations." The emperor ordered Wu Zeren to survey the project and report back, and the proposal to open rivers was revived.
29
' ' 使
In the eleventh month an edict declared: "The Tribute of Yu states: 'When the Three Rivers were led forth, Lake Zhen was settled. Today the Three Rivers have lost their proper courses, water no longer reaches the sea, and Suzhou and Huzhou suffer flooding as a result. Circuit supervisory officials shall select capable officers, inspect ancient waterways, guide the waters downward, survey polder dikes, and report back." Chen Zhongfang was then reappointed as an official of the transport commission to survey Suzhou's floodwaters again.
30
In the eighth month of the second year an edict declared: "Chang and Run suffer drought and shallow rivers each year, delaying transport vessels. Supervisory officials shall oversee dredging." In the third year the two Zhe supervisory officials reported: "Following the edict we have surveyed ancient waterways and drained floodwaters. We now request dredging the Wusong River and restoring twelve locks. Other creek locks, harbors, ditches, and transport canals shall be repaired in sequence. Where fields are flooded, encourage the people to undertake repairs themselves." The memorial went to the Ministry of Works, which replied: "The Three Rivers now proposed may not be Yu's original waterways; moreover the Wusong River is too diffuse to be dredged effectively for drainage." All relevant offices were then ordered to survey again and report back.
31
仿使
In the eighth month of the fourth year a courtier reported: "Officials have granted Lian Lake to the Maoshan Daoist abbey. Run Prefecture's fields lie mostly on high ground, and the transport canal and inter-ridge waters run shallow and dry easily—the region depends on the lake. Grant wilderness sand flats from river floods instead, and direct the Ever-Normal commissioner to study earlier plans for repair and construction." The court approved. In the tenth month the Ministry of Revenue petitioned: "As the two Zhe Ever-Normal office proposed, prefects and magistrates should register ancient water-storage lands, set limits on dikes and defenses, and prohibit public or private encroachment. For farmland far from water, follow roughly the ditch and dike system of the Zhou Offices, mobilizing collective labor." The emperor approved.
32
In the tenth month of the first year of Zhenghe an edict ordered Suzhou, Huzhou, and Xiuzhou to manage floodwaters and build polder dikes, with labor costs drawn from Jian Lake rents in Yue Prefecture. Suzhou was soon elevated to Pingjiang Prefecture and Runzhou to Zhenjiang Prefecture.
33
西 西
In the seventh month of the second year Zhang Ge, minister of war, reported: "When I governed Hangzhou, I learned that since the Qiantang River flooded in the sixth year of Yuanfeng, tidal surges have brought scarcely a peaceful year. In recent years the current has shifted. From Haimen past Zhe Mountain it now strikes the north bank at Yanmen and Baishi, destroying farmland and salt works over thirty li east to west and twenty li north to south. East of the river, Renhe Salt Office lies barely three li away; Chi'an mouth is twenty li to the north. The transport canal runs from Linping Xiatang west into Suzhou and Xiuzhou. Without protective barriers, tens of li of fertile lowland could be swallowed by the river, Xiatang's farms and homes would be lost, the canal cut off, and grain transport ruined." The emperor ordered immediate repairs.
34
西
In the second month of the fourth year the Ministry of Works reported: "Former Taiping vice-prefect Lu Zongyuan proposed reopening seven silted ancient channels from Jiang Prefecture to Zhen Prefecture to form a transport canal 150 li into western Zhe, bypassing 1,600 li of dangerous river winds and waves; excavated earth could also reclaim fertile fields long submerged by the river—nine sites ranging from 300 to 10,000 qing, totaling over 42,000 qing, with many smaller plots besides. Following the polder precedent from Zongyuan's tenure in Taiping, households should be invited to supply their own funds and labor." Shen Lin and others were ordered to survey and arrange the project.
35
In the intercalary first month of the sixth year Li Yan, governor of Hangzhou, reported: "Tang Village, Yanmen, Baishi, and other sites along the Qiantang River open to the sea receive two tides daily and are being steadily eroded. I ask that the banks be faced with stone courses, as at Liuhe Temple." Liu Jiji was ordered to carry out the repairs.
36
西
In the eighth month an edict declared: "Zhenjiang Prefecture lies on the great river without a harbor to shelter vessels. In three years more than five hundred boats have been lost. An old channel to the west could shelter boats from wind and waves, but it has long been abandoned. The transport commission should dredge it."
37
使
That year an edict declared: "Among Pingjiang's thirty-six creeks, locks were installed long ago and opened and closed with the tides. Over the years they silted up, causing flooding. Governor Zhuang Hui shall assign Zhao Lin of the household bureau to study costs and benefits, channel the waters back to the rivers and sea, and restore the locks." Transport vice-commissioner Ying Andao then reported: "Nonessential harbors and creeks can be discussed later. Only six sites such as Qianjing Pond on the Kunshan border should be opened first; in Huating County, Xiuzhou, follow the ancient method: remove all barrages and install small sluice gates at each site; Changzhou, Zhenjiang Prefecture, and Wangting Town shall retain their existing locks. In the eighth month Zhao Lin was ordered to survey labor mobilization, but the two Zhe circuits were in great turmoil. On jiwei day in the fourth month of the seventh year the Secretariat reported: "Lu Zongyuan's river dredging risks causing widespread disruption." The work was temporarily suspended, and Zhao Lin was reassigned.
38
In the second month of the first year of Xuanhe a courtier reported: "Between the Jiang, Huai, Jing, and Han, wasteland stretches everywhere—land that once yielded ten zhong per mu. Traces of dikes, water gates, and ditches still survive. Recently Lü Ping and others of Jiang Prefecture petitioned the Censorate to reopen Xining-era canals for broader irrigation, offering to pay one grade higher in taxes. Even recent pond and reservoir benefits are being abandoned—how can we hope to restore the ancients' methods? I ask that Ever-Normal officials report promptly the names of those with clear achievements in waterworks, that they receive special commendation and promotion to encourage capable men." The court approved.
39
西
In the eighth month the office for water conservancy and farmland reported: "Western Zhe counties each have ponds, lakes, harbors, channels, and marshes used for irrigation and navigation. Measuring officials should record their names, dimensions, and boundaries and inscribe them on stone." The court approved.
40
In the third month Zhao Lin was demoted two ranks for mismanaging water conservancy repairs. In the sixth month an edict declared: "Zhao Lin undertook water conservancy, recruiting flood victims in distress. He mobilized over 2.782 million labor units, opening one river, one harbor, four creeks, and fifty-eight channels, with clear results. He is promoted to direct attendant of the Huiyou Pavilion and his two demoted ranks are restored."
41
使 滿
In the ninth month of the second year of Xuanhe, because transport canals in Zhen, Yang, and other prefectures had silted up, Chen Hengbo was assigned to address the problem. In the spring of the third year an edict ordered transport vice-commissioner Zhao Yi to use water wheels to fill the transport canal, with thirty convoys required to reach the capital by the third month. Eunuch Li Cong reported: "Zhen Prefecture is the critical junction where outer-river convoys gather. Because the transport canal is silted, vessels cannot depart promptly. On the south bank are eight drainage sluice gates less than one li from the river. I propose opening the sluice channel, building a soft dam ten zhang from the river to draw tidal water into the canal, then doubling manual water wheels to raise the water level for transport." The court approved.
42
穿西 使 使 使
In the fourth month an edict declared: "Jiang-Huai grain transport has a long history. In the Spring and Autumn period Wu cut the Han Gou, connecting northeast to Sheyang Lake and northwest to Mokou. Under Han, King Pi of Wu reopened the Han Gou to reach Hailing. The Sui dynasty opened the Han Gou from Shanyang to Yangzi on the river. During Yongxi, transport commissioner Liu Pan opened the Sha River to bypass the dangers of Shanyang Bay. During Tianxi, transport commissioner Jia Zong opened Yangzhou's ancient river around the south of the city to join the transport canal and demolished three barrages to even the water level. Today the transport canal silts up yearly. Old channels, the present river's configuration, and pond and reservoir sites should be investigated to devise lasting solutions for the blockage. Transport commissioner Chen Hengbo and inner attendant Tan Zhen shall itemize arrangements and report back."
43
In the eighth month a courtier reported: "Because the Huainan transport canal was shallow for more than half a year, convoy boatmen were forbidden to carry private cargo. Now that water levels have risen, restore the former regulations."
44
使 使使 使 使滿
Earlier Huainan had suffered drought year after year, blocking grain transport—Yangzhou especially. An imperial envoy was sent to inspect and dredge the transport canal to the level of the Jiang and Huai. The Fang La rebellion broke out in the two Zhe circuits. Eunuch Tong Guan served as pacification commissioner and Tan Zhen as disposition commissioner. Guan favored sea transport and overland carriage; Zhen proposed opening a channel from Xuyi to Xuanhua. The court referred the matter to the transport commission for survey. Chen Hengbo sent his subordinate Xiang Ziyin to inspect the site. Ziyin reported: "The transport canal stands several zhang above the Jiang and Huai. From the river to the Huai is hundreds of li—manual dredging is impractical. In Tang times Li Jifu abolished gates, built barrages, managed ponds and reservoirs, discharged surplus water and conserved shortages, and grain transport flowed freely. Transport commissioner Zeng Xiaoyun strictly enforced opening locks every three days, rebuilt return-water basins, and conserved water like gold. In recent years direct transport was instituted to pursue tea and salt profits. Powerful favorites passed through daily, opening and closing locks at will with no time to restore water levels. The Chaozong lock was recently destroyed. From Hongze to Shaobo, hundreds of li went unregulated, blocking passage above and below Shanyang. To remedy these ills: build a dam at Taizi Harbor in Zhen Prefecture to restore the Huaizi River's old course; a dam at Guazhou mouth to restore the Longzhou barrage; a dam at Hailing mouth to restore the Zhuyu and Daixian barrages, so pond waters are not divided among the Guazhou, Zhen, and Tai rivers; a dam near Beishen, temporarily closing Manpu lock and restoring Chaozong lock—then passage above and below will be unobstructed." Hengbo adopted his plan, and thereafter delayed vessels all passed smoothly.
45
In the second month of the third year an edict declared: "Yue's Jian Lake and Ming's Guangde Lake, since being converted to farmland, have silted downstream, hindering irrigation and disrupting regular tax revenues. Powerful interests have seized much of the land. Both prefectures suffer, and the people flee. Chen Hengbo shall investigate. If rents and taxes are excessive, reduce them to moderate levels; and whatever obstructs downstream irrigation shall be promptly returned to the people."
46
使
In the third month of the fifth year an edict declared: "The transport canal from Lücheng to Zhenjiang is shallow, silted, and narrow while supervisory officials do nothing. Wang Fu is assigned for the two Zhe circuits, Xiang Ziyin for Huainan, and transport commissioner Lü Cong shall coordinate water wheels to restore boat passage."
47
In the fourth month Wang Zhonghong was also ordered, together with surveillance commissioner Liu Zhongyuan and grain transport official Meng Yu, to oversee the Chang and Run transport canals. Another edict declared: "Locks throughout the six southeastern circuits must open and close on schedule. I have heard that convoy boats and commissioned officials falsely claim special orders, forcing locks open at improper times, draining the canals, delaying transport, and harming the capital's annual grain plan. This is forbidden."
48
使便
In the fifth month an edict declared: "Because the transport canal has run shallow, officials dispute one another's views and prefectures and counties do not know whom to follow. The transport commission's supervisory officials and surveillance envoys shall jointly devise lasting solutions and memorialize them. That month a courtier reported: "Lian Lake in Zhenjiang Prefecture connects with Xinfeng Pond—over eight hundred qing irrigating farmland in four counties. One cun of lake water raises the grain canal one chi—a principle long established. The dikes are now damaged and cannot hold water. I ask that repairs proceed in sequence during gaps in the farming season. Circuit grain transport officials and local prefectural and county officers were ordered to assess costs and benefits, calculate labor and materials, and report back.
49
西 '' 使
In the ninth month of the sixth year Lu Zongyuan reported again: "The great river at Chi Prefecture lies on the upstream convoy route. Its east bank is lined with hidden rocks—more than twenty sites; the west bank is sandbars stretching over two hundred li. A proverb calls it 'Boat-Dismantling Bay,' for vessels that reach this point are invariably wrecked and broken up. On the east bank lies more than four hundred li of sand flats at Chezhou River mouth. If a channel were opened into Du Lake, vessels could travel calm waters directly to Chikou, avoiding two hundred li of wind, waves, and wreckage. I request that plans be made to open and repair the route. The court approved.
50
On bingzi day in the ninth month of the seventh year, Zongyuan was again ordered to open and dredge the ancient channel east of the Yangzi from Wuhu via Xuan Creek and Lishui to Zhenjiang, cross the Yangzi, and reach the Huai and Bian—bypassing six hundred li of river dangers. This too was approved.
51
On dingmao day in the third month of the first year of Jingkang, a courtier reported: "The southeast borders rivers and sea. Water drains away easily and drought is common. Every dynasty maintained ponds and lakes to store water. Between the Xiangfu and Qingli reigns, people first encroached on ponds and lakes for farmland, then later restored fields to lakes. In recent years they have again been converted to farmland, bringing floods in rain and drought in dry seasons. Tenants have held these lands for years, and the rents and taxes collected cannot be recovered—all flow to the imperial privy purse. Meanwhile the transport office's regular revenues suffer, and countless people lose their livelihoods. I ask that every lake in the southeast converted to farmland be restored, so that impoverished people might gradually regain their former livelihoods." The emperor ordered a survey of costs and benefits and a memorial report.
52
On xinchou day in the eighth month the Ministry of Revenue reported: "For commissioned officials who undertake farmland waterworks while in office, under the Yuanfeng reward scale: projects of one thousand qing or more qualify for the first grade and earn one rank of promotion; projects down to one hundred qing receive graded rewards; The Shaosheng reign followed the same scale. But the Zhenghe supplement to the Ever-Normal regulations added two ranks of promotion and a three-year reduction in merit review for projects of one thousand qing—far too generous." The emperor ordered a return to the Yuanfeng and Shaosheng scales.
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