TY  - RPRT
TI  - Hydrology of the Mississippi River valley alluvial aquifer, south-central United States
AU  - D. J. Ackerman
PY  - 1996
DO  - 10.3133/pp1416d
UR  - https://pubs.usgs.gov/publication/pp1416D
ID  - pp1416D
ER  -