TY - RPRT TI - Properties and chemical constituents in ground water from the upper Claiborne aquifer, Gulf Coast regional aquifer systems, south-central United States AU - Robert A. Pettijohn AU - John F. Busby AU - Thomas B. Layman PY - 1993 DO - 10.3133/wri914150 UR - https://pubs.usgs.gov/publication/wri914150 ID - wri914150 ER -