TY  - RPRT
TI  - Clays Ferry Formation (Ordovician): A new map unit in south-central Kentucky
AU  - Gordon Whitney Weir
AU  - Robert C. Greene
PY  - 1965
DO  - 10.3133/b1224b
UR  - https://pubs.usgs.gov/publication/b1224B
ID  - b1224B
ER  -