Colorado-Big Thompson project, constructed 1938-56 :
technical record of design and construction.
APA Citation
United States. Bureau of Reclamation. (1957). Colorado-Big Thompson project, constructed 1938-56: technical record of design and construction. Denver: United States G.P.O..
MLA Citation
United States. Bureau of Reclamation. Colorado-Big Thompson Project, Constructed 1938-56: Technical Record of Design And Construction. Denver: United States G.P.O., 1957.
Warning: These citations may not always be complete (especially for serials).