TY  - RPRT
TI  - Hydrogeologic framework of the Midwestern Basins and Arches region in parts of Indiana, Ohio, Michigan, and Illinois
AU  - George D. Casey
PY  - 1996
DO  - 10.3133/pp1423b
UR  - https://pubs.usgs.gov/publication/pp1423B
ID  - pp1423B
ER  -