TY  - RPRT
TI  - First-year progress on the study of the geohydrology of the principal water-bearing formations of the Mississippi Embayment
AU  - E. M. Cushing
PY  - 1959
DO  - 10.3133/ofr5927
UR  - https://pubs.usgs.gov/publication/ofr5927
ID  - ofr5927
ER  -