TY  - RPRT
TI  - Map of the Berea sand of southern Ohio, eastern Kentucky, and southwestern West Virginia
AU  - James F. Pepper
AU  - D. F. Demarest
AU  - C.W. Merrels
AU  - Wallace De Witt
PY  - 1946
DO  - 10.3133/om69
UR  - https://pubs.usgs.gov/publication/om69
ID  - om69
ER  -