Water resources of the Big Sioux River valley near Sioux Falls, South Dakota - Jorgensen, Donald G.; Ackroyd, Earl A.; East Dakota Conservancy Sub-district (S.D.); Sioux Falls (S.D.) (Washington, U.S. Govt. Print. Off., 1973)
Part of illustrative matter fold. in pocket
Bibliography: p. 48-50
Keywords: Hydrology -- Big Sioux Valley (S.D. and Iowa); Hydrology -- Mathematical models; Hydrology -- Data processing