Expeditions & surveys; Railroad surveys; Columbia River; Cascade Falls
The Cascade rapids, sometimes referred to as the Cascade Falls. This is an area of rapids in the Columbia River where travelers by boat along the river were forced to either portage boats and supplies or pull boats up with ropes. Plate XLV.
"The mission is located upon a hill overlooking extensive prairies stretching to the east and west toward the Coeur D'Alene Mountains and the Columbia River. About a hundred acres of the eastern prairie adjoining the Mission are enclosed and...
Expeditions & surveys; Railroad surveys; Columbia River; Channels; Indian encampments; Canoes; Dalles (Or.)
The Dalles is a narrow place in the Columbia River, where the channel has been worn out of the rocks, below which about ten miles, is the mouth of the Klikitat River. Drawing shows an Indian encampment on the bank and a canoe on the water. Plate...
Bridges; Columbia River -- History; Spokane River (Idaho and Wash.)
Highway bridge across the Spokane River east of its confluence with the Columbia. This portion of the road was flooded by the reservoir, requiring relocation of the road.
Expeditions & surveys; Railroad surveys; Canyons; Grand Coulee (Wash.)
"The Grand Coulee is about ten miles wide where it opens on the Columbia River at its northern end, which is a hundred feet above the water, and gradually widens toward the south; its walls, eight hundred feet high are formed of solid basaltic...
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.