TY  - RPRT
TI  - Tectonic evolution in central and eastern Kentucky : a multidisciplinary study of surface and subsurface structure
AU  - Douglas F. B. Black
PY  - 1989
DO  - 10.3133/ofr89106
UR  - https://pubs.usgs.gov/publication/ofr89106
ID  - ofr89106
ER  -