The main tributary of Muling River.

The Shuangninggou River, which originates from the east slope of Laoyeling, is 28.8 kilometers long, with the source elevation of 74 meters above sea level. It flows 5 kilometers to the south and drops to 595 meters. After merging with two small rivers flowing from Nangou and Xigou, it turns to the northeast and flows to Shuangning Forest Farm. The water flows straight to the east and into Tuanjie Reservoir. Before the river was put into storage, the Huangqigou River flowed from the north. The Huangqigou River is 9.8 kilometers long and originated at the southern foot of Hamashan Mountain. There are many canyons and swift streams on both sides, and there are forest roads leading to the ditch.

Dongjianchanggou River (a dry mountain and river) is 21km long and flows into Muling River in the northwest of Hehe Township. The river channel enters the * * * and the basin near Dongsheng Village, and two canals are led out from the alluvial fan, providing sufficient water for rice planting in the * * * and the basin.

Niuxin River, which originates from Laoyichang Beigou, has a source elevation of 73 meters and a total length of 22.7 kilometers. There are many streams flowing along the river, with the Beigou of Niuxin Forest Farm as the largest, and the mountainous areas in the basin are densely forested, mostly with Korean pine. Niuxin Mountain Management Office is built near the estuary, tending and renewing the over-mined areas.

Huangcaogou (formerly known as Laosonggou) is a large tributary on the right bank of Muling River. Wojiling, at the boundary of Fayuan County, has a total length of 56.2 kilometers, and there are six streams on both sides of the upstream river. By No.8 dam, the river is 8 meters wide and the water depth is .7 meters. The East Yangmu River flows into the east 45 kilometers away from the source. The East Yangmu River is 22.5 kilometers long and consists of nine tributaries. Among them, five tributaries originate from the western slope of Taipingling Mountains on the Dongning border. The mountains on both sides of each river are covered with forests. Before the timber transportation road was built in the 196s, there were 14 dams and sluices on the river, which used the river to transport timber. The Huangcaogou River crosses the Yingmenlazi River and runs through the canyon. There are five great bend rivers. After leaving the canyon, the river is 12 meters wide and .9 meters deep, and it flows into Muling River at Xiaosancha.

Quanyan River, which originates from the second section of the ditch on Quanyan River, has an elevation of 72 meters and a flow length of 29.5 kilometers. Its upstream flows through Mangang District, with a wide drainage area. The river channel is widened below Jifangzi, and both sides of the river are mostly cultivated land. Inject into Muling River in the south of Quanyan Village.

Dashitou River, a large tributary on the left side of Muling River, has a total length of 73.5 kilometers. It originates from the southern slope of Dajiazi Peak on the Mu-Mu border. The elevation of its source is 1,5 meters above sea level, and its upstream flows southward with a steep slope. The river drops by 3 meters 8 kilometers from its source, with a drop of 4%. Turn east after crossing Sanxinshan Forest Farm and then turn northeast. On the left side of the river are birch river, lotus river, northwest fork, northwest fork and Xiaoshitou river; On the right, Xuxiaopu River flows into it. Dashitou River Basin is an important forestry area of Muling Forestry Bureau, with red, white, pine and poplar trees all over the mountain area. In the past, many dams were built along the river to transport timber, but now the water transport has been abandoned and replaced by car transport. There are timber transport roads along Dashitou River, leading to Hexiang and Heping Forest Farm. Dashitou River flows into Muling River in the south of Sanchatun, and Xiaoshitou River also flows into Dashitou River here, so it is called Sancha Basin, with a plain area of more than 1 square kilometers, open terrain, convenient irrigation, early development of farming activities, and gradually residents in the late Qing Dynasty. In the Republic of China, Sanchatun, Mingxin Village and henan village were set up earlier than Muling Town. Now Sanchatun, Mingxin Village and are distributed on Sancha alluvial fan.

Beilinzi River, 22.6 kilometers long, originated in the northwest of Daimagou. Beilinzi River flows into Muling River from west to east via Daimagou, Xinfangzi, Beilinzi and Daqiaozi in hebei village, Muling Town. Binsui Railway runs from Daimagou along the left bank of Beilinzi River to Muling Town.

The Red Eye Ha River, which originates from the western slope of Taipingling Mountains on the eastern border, is 28.2km long. It flows from the source to the northwest and runs along the mountain canyon. The Hasui Highway runs along the Red Eye Ha River. The downstream valley of the Red Eye Ha ditch is spacious, with a mouth of 8km long. The wide ditch and fertile meandering soil are one of the early developed areas in the county.

Liumao River, in the west of Xingyuan Town, originates from the south slope of Nidhogg on the border of Linkou, with a total length of 23.6 kilometers. From the source of Liumao River, the river flows from northwest to southeast, and then from east to northeast, with the Houshigou River flowing in the middle, with a small drop in the downstream, and some marshes distributed on both sides. The land in the basin is fertile and agriculture and animal husbandry are developed.

cut rafter river, which originates from the east slope of Arling, Kent, is 24.6 kilometers long. The upper reaches are operated by the cutting rafters, and forests are planted in the over-exploited areas. In the middle reaches, there are beekeeping farms and livestock farms in the former site of the * * * Productive Labor University established during the Cultural Revolution. In the lower reaches, there is a small river valley with a wide river gap, and there is a cutting rafter village on the alluvial fan.

the buckle ditch is fan-shaped above Dongsheng village in the upstream, with the first 2, 3 and 4 ditches in the south, west and north directions, and the third ditch is the mainstream of the buckle ditch. Originated in the east slope of Kent Aling, the source is 575 meters above sea level, with a total length of 23.4 kilometers. Dongsheng Village, at the confluence of four tributaries, has a small mountain basin of 4 square kilometers. The Puppet Manchuria was called Shanzu Group, which was later changed to Guangfutun. It is a forest cutting operation area, and now there is a buckle river ditch management office. The rivers below Dongsheng Village are southeast, and the ditches are narrow, and there are no resident villages in the 1-kilometer long ditch. From the river to Shenyuantun, there is a small buckle ditch on the right. From this, the river valley in the 5-kilometer reach of Goukou is open, and there are scattered villages such as Xiatun, Shangtun, Xigoutun, Dongxing Village and xinfeng village on the alluvial fan.

Yulaiha River (formerly known as Chaoyangchuan), also known as Dalinzi River, is distributed in the shape of chicken feet on the east side of Muling River. The mainstream Yulaiha River originates in Dongdagang, Xingyuan Township, with a total length of 19.2 kilometers, and flows from south to north, with Hubei ditch in the east. Kuyushu Forest Farm has built a large area of artificial forests on the slopes of each ditch, with huang huo Chi Village and Chaoyang Village in the ditch, and Sanlitun at the mouth of the ditch.

Maqiao River, which originates from the west slope of Taipingling, has a source of 54 meters above sea level and a flow length of 41.3 kilometers. Its upstream is called Southwest Gully, which flows from southwest to northeast, and its tributary, Fox Mihe, flows into it and widens to the Red House Valley. The flowing water bends to the northeast, and on the right side there are Liulidi River, Xiagou River and Beixiao River. The Liulidi River originated in Lao Montenegro. Before the Republic of China, it was called Sankedingzigou. It was a famous forest cutting area, and a forest railway was built for more than 2 kilometers. So far, the roadbed is clearly visible. The North River is 23 kilometers long, and its upstream is called Bajiazi River. The lower reaches of Maqiao River have a wide valley and fertile land. The river flows through Chengji into Muling Railway Bridge and then flows into the river. The estuary is usually 14 meters wide and .9 meters deep. The Binsui Railway is 21 kilometers long from Xiachengzi via Maqiao River to Hongfangzi, and passes along Maqiao Valley.

Qinghe River, which originates from the big shelf in Beidagang, flows through Xincheng, Qinghe Forest Farm, Qinghe Village and Zhongshan Village from south to north and flows into Muling River in the north of Bamiantong Town. With a total length of 21 kilometers, Taihe ditch is the tributary, Qinghe Reservoir is in the middle reaches, and Mu-Ba Highway on the left bank of Qinghe leads to Bamiantong, the county seat. At the beginning of this century, the avenue leading to Mishan passes through it, and Qinghe is called the tea house.

Leifengqi River originates from Niuqi Mountain at the border of Linkou, with a total length of 54.8 kilometers. The upstream reaches Danianzigou, and the right tributaries include Xiaonanzigou, Erzhan, Toudaogou, Erdaogou, Nanfeizigou and Xinxing Nangou. On the left, there are Gully, Beibaozigou and Leifeng Xigou, which flow into Muling River in the north of Puxing Village. Leifengqi River Basin is rich in placer gold reserves, which has been mined for decades. There are also coal mines and serpentine mines in the basin. Baliu Highway passes along the valley along the river, and the downstream terrain is open, irrigation is convenient, agriculture is developed, and many paddy fields are opened along the river. The abandoned gold pits have become foam and artificial fish farming can be carried out. The mountainous area is rich in native products, famous for producing ginseng, fungus and mushroom.

baicaogou, which originates from Longzhao Mountain in Aling, Kent, is 34.5km long and flows into Muling River in the north of Fulai Village from west to east. The tributaries are Shimengou, Bangchui Gou, Hailonggou and Jinshan Gou. Shimengou, which is 14 kilometers long, is the mainstream of Baicaogou. Baicaogou Basin is rich in mineral resources such as gold, coal, graphite and marble. The highway from Bamiantong to Linkou passes through Baicaogou and basically passes along the railway subgrade built in 1945. Baicaogou has a wide valley and fertile land, and the alluvial fan at the mouth of the ditch is connected with rice fields.

Liangzi River, on the right side of Muling River, has a total length of 7.2 kilometers, with two tributaries in the upper reaches. The South Liangzi River (mainstream) is 56.6 kilometers, which originates from Baishilazi on the border of Dongning, with its source at an altitude of 91 meters. The North Liangzi River is 41.4 kilometers long, which originates from the dry rice basin and the source is 82 meters. The South Liangzi River flows from the source to the south to the northwest of the old black mountain management office of Maqiaohe Forest Farm, passes through Tai 'an, Guangming, Gaofeng, Sifang and Fulu, and meets the North Liangzi River in the south of Pingsheng Bridge in the east. The North Liangzi River flows from the source to the north, passes through Fengyueqiao Forest Farm, Fusheng and Chunsheng, turns to the west, passes through Chengde and joins the south, and then turns to the northwest, passes through Pingsheng Village and Kangle Village, and flows into Muling River through Chengji Railway. The upper reaches of the two streams are forest areas, and the paddy fields below the peak village of the south stream are contiguous. The valley of the north stream is wide with a large area of cultivated land, and villages abound. The floodplain is full of upland fields, and paddy fields are everywhere on both sides of the river. Guangtai Reservoir is built on the Nanyangcaogou River in Guangtai Village. Mangniu River originates from Xiaoyunshan Mountain in Mashan District, flows through Mashan Township and Lanling Township, and joins Muling River in the southwest of Didao Town. The river is 63 kilometers long, with a drainage area of 879 square kilometers and an annual runoff of 147 million cubic meters. Longshan Reservoir, south of Youlong Village on Mangniu River, has a total storage capacity of 5.89 million cubic meters, accounting for 8.59% of the total storage capacity of 8 reservoirs in the urban area, ranking second only to Tuanshanzi Reservoir.

Didao River, which originates from Xingnong Township, Jidong County, Jixi City, flows through Tuanshanzi Village, Jichang Village and Hedong Village in Didao District, and flows into Muling River in the southeast of Didao Town. The river is 43 kilometers long, with a drainage area of 689 square kilometers and an annual runoff of 126 million cubic meters. The river flowing through the city is 15 kilometers long.

Huangnihezi originates from Yangmuxiagou, minzhu town, Hengshan District, with a river length of 41.5 kilometers, a drainage area of 321 square kilometers and an annual runoff of 41 million cubic meters. The river flows through minzhu town and Hongqi Township in the southwest-northeast direction, and then gradually turns southeast and enters Jidong County to inject into Muling River. Banjiehe River, which originated between Songshudingzi and Futabayama in Xiangyang Township, has a total length of 27.6 kilometers and flows into Muling River to the northeast of Wuxing Village in Mingde Korean Township. The basin covers an area of 17 square kilometers.

The Fraxinus mandshurica River, which originates from the north side of South Shandong, is 2 kilometers long and flows into Muling River through Liuhe Village in Comprehensive Township, Quhe Village in Xiangyang Township, Lixian Village in Mingde Korean Township and dawn village. The basin covers an area of 134.1 square kilometers.

hadad river, which originates from the north side of Jianshan Mountain in Xingnong Township, has a total length of 48 kilometers, and the lower reaches are the boundary river between Hada and Xinhua Township, and flows into Muling River at Xinhua Village, with a drainage area of 542.7 square kilometers. In Mishan County, there are seven tributaries, such as Peideli River, Guokui River, Taipinggou, Tatou River, Qingxiangou, Jiefanggou and Liumao River, which are interwoven into a natural water conservancy network, providing abundant water conservancy resources for Mishan County.

The Peideli River, which originates from Dalan Mountain in Mishan County, flows into the Youth Reservoir. After being regulated, it flows eastward and flows into Muling River through Peide Town, Xingkai Township and Yanggang. The total length is 139 kilometers and the drainage area is 1863.9 square kilometers. The annual runoff depth in the northern mountainous area is 15 mm, and the average annual runoff is 28.34 million cubic meters. When the guarantee rate is 3%, the runoff is 149 million cubic meters. The main tributaries of the Peideli River are Jinsha River, Xiaopeideli River, Yongshenggou, Mogugou, Dongshenggou, Honglinggou, Xingkaigou, Pianlian River and Dongfagou.

Jinsha River, which originates from the valley at the southern foot of Dalazi Mountain at the junction of Mishan and Baoqing County, flows into Youth Reservoir.

Xiaopeideli River, which originates from the northern foot of Xishan in coal mines, flows eastward through Qingnian and flows into Qingnian Reservoir in the north of peace village.

Pianlian River, which originates from the northern ditch of Datushan Mountain, flows southwest through the east side of Qingmei Mountain Forest Farm and then turns southeast through the east side of Wandashan Farm Water Conservancy Team to live in Peideli River.

the guokui river, which originates from the Xishan of the north coal mine of guokui lazi, flows southwest around guokui lazi mountain, flows eastward through sandaolingzi forest farm, passes through jimi railway, and the fumi main canal flows into muling river. The total length is 98.8 kilometers, the basin area is 618 square kilometers, the average runoff depth for many years is 13 mm, and the average annual runoff is 8.34 million cubic meters. The larger tributaries flowing into Guokui River include Diaolong River, Maqiao River and Qinnonggou.

Diaolong River, which originates in Xilun, Yaoying Mountain, flows southward through Diaolong River Tun and drains into Guokui River.

Maqiao River, which originates in the north of Qinnong Mountain, flows southward into Guokui River to drain.

Tatou Lake River, which originates from Gandayangou, Heitai Town, Mishan County, flows eastward, flows southward through Erlong Mountain, passes through Jimi Railway and Fumi Qianqu, enters Tatou Lake's main drainage, and joins Muling River in the southwest of Yongxin Village, Lianzhushan Township. The total length is 53 kilometers, the drainage area is 258 square kilometers, and the average runoff depth for many years is 12 mm.

Liumao River, a first-class tributary on the right bank of the middle and lower reaches of Muling River, rises on the north slope of Honey Mountain, flows into Liumao Reservoir from west to east, flows eastward after passing through the reservoir, and joins Muling River in the northeast of No.1 Farm 857. The total length is 32 kilometers, the average width is 8 meters, the drainage area is 175 square kilometers, and the annual runoff depth is 12 mm. There is Hexi Irrigation District (1, mu) in Muling City, which is located on the left bank of Muling River and its tributary Leifeng River. The head of the canal is on the left bank of Xiahe River of "25 Li" (named after the 25-kilometer mark of Chengji Railway) railway bridge. The old river body is used as a water conveyance canal, and a dam with concrete face protection is built in the south of Xiangyang Village in Hexi Township. There are two intake gates, which were completed in 1978. The national investment is 62, yuan, and the designed irrigation area is 21,3 mu. However, the supporting project has not yet reached the standard, and it is currently suitable for irrigation of 12, mu.

Jixi city has built three 1,-mu irrigation areas in Muling River Basin, which is an important water diversion project for paddy field irrigation. In 1985, the effective irrigation area of water diversion project was 2334 hectares, accounting for 39.1% of the effective irrigation area of 5968.6 hectares in the city.

Chengzihe Irrigation District, located in the north of downtown area, east to Dongfeng Village, Jidong County, west to Chengzihe Coal Mine Railway Bridge, with a length of 13 kilometers from east to west; South to Muling River, north to Chengzihe District, 2 kilometers wide from north to south. There are 7 natural villages in the irrigation area, with 246 hectares of cultivated land. In 1985, the effective irrigation area in the region was 11 hectares, including 99.3 hectares of paddy fields. The irrigated area is 147 hectares, including 12 hectares of paddy fields (super benefit), with a total investment of 38, yuan. Among them, the state invested 28, yuan and the masses raised 1, yuan. Chengzihe irrigation area was gradually built on the basis of development during the occupation period. In 195, 25 meters upstream of the railway bridge in Chengzihe Mine, two original canal heads were merged into one. In 1952, the main drainage canal was excavated in the irrigation area with a length of 36 meters, expanding the paddy field area by 266 hectares. In the spring flood of 1953, the south bank of the barrage was washed away and the gap was 13 meters long. It was restored in the spring of 1954, and three auxiliary dams were built upstream of the canal head. The water main canal at the head of the canal is located on the south side of the highway. Due to the dumping of a large amount of soil and gravel by the quarry in the north of the road, a large number of man-hours are needed for dredging every year. In the upstream of the barrage, the riverbed was raised by 1.5 meters due to the mud and gravel dumped by the quarry in the north of the road, which caused the river to move southward, and the barrage at the head of the canal gradually lost its water interception function. From August 1984 to October 1985, an electric pumping station was built at the head of the canal, with a designed irrigation area of 1447 hectares, including 647 hectares of vegetable fields. Cement mortar masonry is used for slope protection of main water canal in irrigation area, with a length of 1,5 meters, 45 drainage branches and 232 new and reconstructed structures. In 1985, the structure was basically completed.

Liumao Irrigation District was rebuilt on the basis of development during the occupation period after the founding of New China. Located in the central village of Liumao Township today, it starts from Liumao Village in the south and ends at Qinglong Mountain in the north, with a length of 11 kilometers from north to south. Chengji Railway in Liumao Township in the east and Muling River in the west, with a width of 2.5 kilometers from east to west. The total area of irrigation area is 27.5 square kilometers. There are 12 natural villages in the area with 2473 hectares of cultivated land. In 1959, a 3,6-meter-long water branch canal was newly excavated, and 234 hectares of dry land was changed into paddy fields. In 1985, the effective irrigated area was 1,14 hectares.