TY  - RPRT
TI  - Preliminary integrated geologic map databases for the United States: Kentucky, Ohio, Tennessee, and West Virginia
AU  - Suzanne W. Nicholson
AU  - Connie L. Dicken
AU  - John D. Horton
AU  - Keith A. Labay
AU  - Michael P. Foose
AU  - Julia A. L. Mueller
PY  - 2005
DO  - 10.3133/ofr20051324
UR  - https://pubs.usgs.gov/publication/ofr20051324
ID  - ofr20051324
ER  -