prepared under the direction of J.V.B. Wells ; prepared in cooperation with the Department of Public Works of California, the Corps of Engineers, United States Army, and the United States Bureau of Reclamation
prepared under the direction of J.V.B. Wells ; prepared in cooperation with the States of Iowa, Minnesota, Nebraska, and South Dakota, and with the Corps of Engineers, Department of the Army
Date
1955
Series
Water-supply paper (Washington, D.C.) ; no. 1320-A
prepared under the direction of J.V.B. Wells ; prepared in cooperation with the Montana State Engineer, agencies of the Federal Government, and the Dominion of Canada
Date
1957
Series
Water-supply paper (Washington, D.C.) ; no. 1320-B
prepared under the direction of J.V.B. Wells ; prepared in cooperation with the states of Louisiana, Mississippi, and Texas and with agencies of the Federal Government