TY - RPRT TI - Digital map of saturated thickness in the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1996 to 1997 AU - Brian C. Fischer AU - Keith M. Kollasch AU - Virginia L. McGuire PY - 2000 DO - 10.3133/ofr2000300 UR - https://pubs.usgs.gov/publication/ofr2000300 ID - ofr2000300 ER -