TY  - RPRT
TI  - The Lexington limestone (Middle Ordovician) of central Kentucky
AU  - Douglas F. B. Black
AU  - Earle Rupert Cressman
AU  - William Charles MacQuown
PY  - 1965
DO  - 10.3133/b1224c
UR  - https://pubs.usgs.gov/publication/b1224C
ID  - b1224C
ER  -