TY  - RPRT
TI  - Calloway Creek limestone and Ashlock and Drakes Formations (Upper Ordovician) in south-central Kentucky
AU  - Gordon Whitney Weir
AU  - Robert C. Greene
AU  - George Clarke Simmons
PY  - 1965
DO  - 10.3133/b1224d
UR  - https://pubs.usgs.gov/publication/b1224D
ID  - b1224D
ER  -