TY  - RPRT
TI  - Geologic map of the Fort Knox quadrangle, north-central Kentucky
AU  - Roy Clark Kepferle
AU  - Edward G. Sable
PY  - 1977
DO  - 10.3133/gq1375
UR  - https://pubs.usgs.gov/publication/gq1375
ID  - gq1375
ER  -