"6' conduit open with a 50' head at Lake Como, Montana."

Chicago citation style
Department of the Interior. Bureau of Indian Affairs. Flathead Irrigation Project. 1947-1952. "6' conduit open with a 50' head at Lake Como, Montana.". 1911-01-01/1939-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/293349. (Accessed June 20, 2018.)
APA citation style
Department of the Interior. Bureau of Indian Affairs. Flathead Irrigation Project. 1947-1952, (1911-01-01/1939-12-31) "6' conduit open with a 50' head at Lake Como, Montana.". Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/293349
MLA citation style
Department of the Interior. Bureau of Indian Affairs. Flathead Irrigation Project. 1947-1952. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/293349>.
Note: These citations are programmatically generated and may be incomplete.