TY  - RPRT
TI  - Structure of the Berea oil sand in the Flushing quadrangle, Harrison, Belmont, and Guernsey Counties, Ohio
AU  - William Tudor Griswold
PY  - 1908
DO  - 10.3133/b346
UR  - https://pubs.usgs.gov/publication/b346
ID  - b346
ER  -