TY  - RPRT
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
AU  - D. C. Signor
AU  - J. O. Helgesen
AU  - D. G. Jorgensen
AU  - R. B. Leonard
PY  - 1997
DO  - 10.3133/pp1414c
UR  - https://pubs.usgs.gov/publication/pp1414C
ID  - pp1414C
ER  -