TY - BOOK AU - Signor,Donald C. TI - Geohydrology and simulation of steady-state flow conditions in regional aquifer systems in Cretaceous and older rocks underlying Kansas, Nebraska, and parts of Arkansas, Colorado, Missouri, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming T2 - Regional aquifer-system analysis--Central Midwest AV - GB1017 .G46 1996 U1 - 551.49/0978 20 PY - 1996/// CY - Washington, Denver, CO PB - U.S. G.P.O., For sale by U.S. Geological Survey, Information Services KW - Groundwater KW - Middle West KW - Local KW - Groundwater flow N1 - Includes bibliographical references (p. - ) ER -