TY  - RPRT
TI  - Digital data in support of studies and assessments of coal and petroleum resources in the Appalachian basin
AU  - Michael H. Trippi
AU  - Scott A. Kinney
AU  - Gregory L. Gunther
AU  - Robert T. Ryder
AU  - Leslie F. Ruppert
PY  - 2014
DO  - 10.3133/pp1708i.1
UR  - https://pubs.usgs.gov/publication/pp1708I.1
ID  - pp1708I.1
ER  -