TY  - RPRT
TI  - Catalog of pre-Cretaceous geologic drill-hole data from the Upper Mississippi Embayment; a revision and update of Open-file report 90-260
AU  - R. L. Dart
PY  - 1992
DO  - 10.3133/ofr92685
UR  - https://pubs.usgs.gov/publication/ofr92685
ID  - ofr92685
ER  -