TY  - RPRT
TI  - A summary of the methodology and results of regional joint-studies in the central and northern Appalachian Basin conducted by the U.S. Geological Survey as a result of Department of Energy Interagency Agreement No.EX-76-C-01-2287
AU  - W. J. Perry
AU  - G. W. Colton
PY  - 1981
DO  - 10.3133/ofr811341
UR  - https://pubs.usgs.gov/publication/ofr811341
ID  - ofr811341
ER  -