Scope and Contents The Garrison Dam Collection contains 139 photographic prints, predominately 11x14 and 8x10 inches in size, taken from circa 1946 to 1954. The collection has been divided into six series: Aerial views, Dam construction, Intake structure, Spillway, People, and Power plant and tunnels. The Aerial Views Series includes aerial photographs of stages of the construction of site, as well as views of the completed site. There is one night-time photograph. The Riverdale file features the newly formed...

Abstract The William P. Sebens Photograph Collection contains a very rich and diverse collection of images taken by Mr. Sebens that were taken across the state of North Dakota on many topics, ranging from farmstead aerials, agriculture, wildlife, prominent landmarks, industrial facilities, the landscape, cities and towns, construction of Garrison Dam, native plants, Theodore Roosevelt National Park, the oil and coal industry and many others.