Three Gorges assisted Yu the Great in controling the waters and guiding boatmen. The Xiling Gorge comprises a series of famous gorges, including Military Book and Sword Gorge, Yellow Cow Gorge, and Lantern's Shadow Gorge. In 1919, after Sun Yat-sen had put forward the concept in the Plan for Industrial Development of his (), experts investigated damming the Three Gorges, but it was not until 1994 that the Three Gorges project officially started. In 1944, the Nationalist government recruited John L. Savage, the Chief Engineer of the United States Bureau of Reclamation, who came to China and made a 10-day investigation of
Three Gorges Reservoir Region Three Gorges Reservoir Region Three Gorges Reservoir Region, including 25 county-level divisions of Chongqing municipality and Hubei province, is the region directly or indirectly involved in the submersion of the water storage of the reservoir region of the Three Gorges Dam. The Three Gorges Reservoir Region is located in the upstream of the Yangtze River at the boundary of Chongqing municipality and Hubei province with the area of 59900 km² and with the population of 16 million. The Three Gorges Reservoir Region stretches along the Yangtze River from Jiangjin District of Chongqing to Yichang City of Hubei, which is very