TY  - RPRT
TI  - Geologic map of part of the Bethlehem quadrangle, Trimble and Oldham Counties, Kentucky
AU  - W. C. Swadley
PY  - 1977
DO  - 10.3133/gq1436
UR  - https://pubs.usgs.gov/publication/gq1436
ID  - gq1436
ER  -