TY - BOOK AU - Chafin,Daniel T. TI - Effects of land use on water quality of the Fountain Creek alluvial aquifer, east-central Colorado AV - TD428.L35 A53 1994 ch. D PY - 1996/// CY - Washington, DC PB - U.S. Government Printing Office N1 - Includes one folded plate in pocket; Includes bibliographical references (p. 49-51) ER -