TY  - RPRT
TI  - Geologic map of the La Center Quadrangle, Ballard and McCracken counties, Kentucky
AU  - Roger Warren Swanson
PY  - 1978
DO  - 10.3133/ofr78134
UR  - https://pubs.usgs.gov/publication/ofr78134
ID  - ofr78134
ER  -