where is the site of this project located?
Northwestern North America
Yukon River
The Yukon River (Gwich'in: "Ųųg Han" or "Yuk Han," Yup'ik: "Kuigpak," Inupiaq: Kuukpak, Southern Tutchone: Chu Nìikwän) is a major watercourse of northwestern North America. The river's source is in British Columbia, Canada, from which it flows through the Canadian Yukon Territory (itself named after the river). 
what is rampart dam? A project to dam the Yukon River in Alaska for hydroelectric power. who or what was responsible for its design? U.S. Army Corps of Engineers
wiki:19576741
Yukon River [SEP] Introduction
The Yukon River (Gwich'in: "Ųųg Han" or "Yuk Han," Yup'ik: "Kuigpak," Inupiaq: Kuukpak, Southern Tutchone: Chu Nìikwän) is a major watercourse of northwestern North America. The river's source is in British Columbia, Canada, from which it flows through the Canadian Yukon Territory (itself named after the river). The lower half of the river lies in the U.S. state of Alaska. The river is long and empties into the Bering Sea at the Yukon–Kuskokwim Delta. The average flow is 6,430 m/s (227,000 ft/s). The total drainage area is 832,700 km (321,500 mi), of which 323,800 km (126,300 mi) is in Canada.