TY  - RPRT
TI  - Geologic map of the Barbourville quadrangle, Knox and Whitley Counties, Kentucky
AU  - Wayne L. Newell
PY  - 1975
DO  - 10.3133/gq1254
UR  - https://pubs.usgs.gov/publication/gq1254
ID  - gq1254
ER  -