TY  - RPRT
TI  - Geologic map of the Vernon quadrangle, and part of the Celina quadrangle, Monroe and Cumberland Counties, Kentucky
AU  - Richard Quintin Lewis
PY  - 1972
DO  - 10.3133/gq966
UR  - https://pubs.usgs.gov/publication/gq966
ID  - gq966
ER  -