Computation and analysis of the instantaneous-discharge for the Colorado River at Lees Ferry, Arizona [electronic resource] : May 8, 1921, through September 30, 2000 / by David J. Topping, John C. Schmidt, and L.E. Vierra, Jr.
Imprint
Reston, Va. : U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor], 2003.