TRASH RACKS (HYDRAULIC STRUCTURES); Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Trash Racks on the upstream side of Grand Coulee Dam. The trash racks were to keep floating debris from entering the penstocks and damaging the turbines.
State Normal School (Cheney, Wash.); Eastern Washington University -- Buildings -- History
Side view of the remains of the Administration Building of the Cheney State Normal School (now Eastern Washington University) destroyed by fire on April 24, 1912.
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Removal of one of the towers used to support the conveyor belt which delivered aggregate to the west side mix plant. The foundation level of Grand Coulee Dam is complete, and the river flows through diversion slots in the dam.
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State);Dams -- United States -- Design and construction.
Shows construction method for the lower portion of the dam. Alternating blocks were constructed. The Columbia River was forced through slots by placement of temporary gates on the upstream side of the dam.
Grand Coulee Dam (Wash.);Hydroelectric power plants -- Washington (State)
View looking west across the reservoir side of the dam. The spillway drum gates are not installed, and the roadway across the top of the dam has not been built yet.
Lieutenant Mullan's party leaving the Bitter Root Valley and heading "down the river to the Lou-Lou Fork, which is fifteen yards wide and two feet deep at its mouth. Its valley is five hundred yards wide, and the mountains on each side are...
Expeditions & surveys; Railroad surveys; Mouse River (N. Dakota)
"Near Mouse River there are salt marshes" "and in some places deposits of salt a quarter of an inch thick." Mouse River valley "resembles that of the Sheyenne (Cheyenne). High ridges divide the plateau bordering the stream...
Expeditions & surveys; Railroad surveys; Lightning Lake (Mont.)
"Lightning Lake is a very beautiful sheet of water, so called from the fact that during Captain Pope's expedition, while encamped here, one of those storms so fearfully violent in this country occurred, during which one of his party was...