TY  - RPRT
TI  - Geologic map of parts of the Cairo and Barlow quadrangles, Ballard County, Kentucky
AU  - Wilds W. Olive
PY  - 1971
DO  - 10.3133/gq885
UR  - https://pubs.usgs.gov/publication/gq885
ID  - gq885
ER  -