TY  - RPRT
TI  - The Betsie Shale Member; a datum for exploration and stratigraphic analysis of the lower part of the Pennsylvanian in the Central Appalachian Basin
AU  - Charles L. Rice
AU  - J.C. Currens
AU  - J.A. Henderson
AU  - J.E. Nolde
PY  - 1987
DO  - 10.3133/b1834
UR  - https://pubs.usgs.gov/publication/b1834
ID  - b1834
ER  -