1974-09-13 1975-02-17
Drawings
Oglala Community High School
1974-09-13 1975-02-17 Drawings Oglala Community High School 1969-10-14 1970-03-30 Drawings Department of Health, Education and Welfare, Headquarters 1968-07-25 1968-10-04 Drawings Grand Coulee Dam, Columbia Basin Project, Third Power Plant and Forebay Dam |