TY  - RPRT
TI  - Map of the Berea and Murrysville sands of southeastern Ohio, northern West Virginia, and southwestern Pennsylvania
AU  - David F. Demarest
AU  - Wallace De Witt
PY  - 1948
DO  - 10.3133/om89
UR  - https://pubs.usgs.gov/publication/om89
ID  - om89
ER  -