TY  - RPRT
TI  - Preliminary stratigraphic cross section showing radioactive zones in the Devonian dark shales in the eastern part of the Appalachian Basin
AU  - Mareta N. West
PY  - 1978
DO  - 10.3133/oc86
UR  - https://pubs.usgs.gov/publication/oc86
ID  - oc86
ER  -