Geology -- Washington (State); Strip mining; Fort George Wright (Wash.) -- History
Photo of a gravel pit located at Fort George Wright in Spokane, WA. Photo includes quarrying machinery and an automobile from the period (1920's or 1930's).
Architectural drawing of the McNary Dam, a 7365 foot hydroelectric dam that spans the Columbia River. McNary Dam is located one mile east of Umatilla, Oregon.
The lock is a single lift type, 86 feet wide and 683 feet long, with a 15-foot minimum depth over the sills. The vertical lifts average 75 feet. The lock is located on the Washington side of the Columbia River.