TY  - RPRT
TI  - Maps showing geologic structure, Bouguer gravity, and aeromagnetic intensity for part of central Kentucky
AU  - Douglas F. Black
AU  - Gordon R. Keller
AU  - Robert W. Johnson
PY  - 1976
DO  - 10.3133/ofr76307
UR  - https://pubs.usgs.gov/publication/ofr76307
ID  - ofr76307
ER  -