TY - RPRT TI - Analysis of regional aquifers in the central Midwest of the United States in Kansas, Nebraska, and parts of Arkansas, Colorado, Missouri, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming: Summary AU - Donald G. Jorgensen AU - J. O. Helgesen AU - D. C. Signor AU - R. B. Leonard AU - J. L. Imes AU - S. C. Christenson PY - 1996 DO - 10.3133/pp1414a UR - https://pubs.usgs.gov/publication/pp1414A ID - pp1414A ER -