Stratigraphy, lithology, and sedimentary features of Quaternary alluvial deposits of the South Platte River and some of its tributaries east of the Front Range, Colorado [electronic resource] / by David A. Lindsey, William H. Langer, and Daniel H. Knepper, Jr.
Imprint
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005.