TY  - RPRT
TI  - Properties and chemical constituents in ground water from the Mississippi River Valley alluvial aquifer and permeable zone A (Holocene-upper Pleistocene deposits) south-central United States
AU  - Robert A. Pettijohn
AU  - John F. Busby
AU  - Jeffery D. Beckman
PY  - 1992
DO  - 10.3133/wri914149
UR  - https://pubs.usgs.gov/publication/wri914149
ID  - wri914149
ER  -