TY  - RPRT
TI  - Map of the Berea and Murrysville sands of northeastern Ohio, western Pennsylvania, and northern-most West Virginia
AU  - D. F. Demarest
PY  - 1946
DO  - 10.3133/om49
UR  - https://pubs.usgs.gov/publication/om49
ID  - om49
ER  -