TY  - RPRT
TI  - Geologic map of the Smith Mills Quadrangle, Henderson and Union counties, Kentucky
AU  - W.D. Johnson
AU  - R. L. Norris
PY  - 1974
DO  - 10.3133/ofr74245
UR  - https://pubs.usgs.gov/publication/ofr74245
ID  - ofr74245
ER  -