TY - RPRT TI - Digital maps of the extent, base, and potentiometric surface of the glacial-drift aquifers in Kansas AU - K. E. Juracek AU - C. V. Hansen AU - C.M. Logan PY - 1996 DO - 10.3133/ofr96613 UR - https://pubs.usgs.gov/publication/ofr96613 ID - ofr96613 ER -