Dennehy, Kevin F. Geological Survey (U.S.) text xxu Washington, D.C.] Denver, CO U.S. Dept. of the Interior, U.S. Geological Survey Free on application to the U.S. Geological Survey, Information Services 2000 monographic eng 38 p. ill. (some col.), maps (some col.) 28 cm. general by Kevin F. Dennehy ... [et al.]. Shipping list no.: 2001-0005-P. "First printing 1998." Includes bibliographical references (p. 35-37). n-us-co n-us-nb n-us-wy National Water Quality Assessment Program U.S. Water quality South Platte River Watershed (Colo. and Neb.) 363.73942 W3245 I 19.4/2:1167/2000 I 19.4/2:1167/2000 0607893621 98014453 PUCPR 011003 20200624062622.0 251206