TY  - RPRT
TI  - Upper Mississippian rocks of southwestern Virginia, southern West Virginia, and eastern Kentucky
AU  - Ralph H. Wilpolt
AU  - Douglas W. Marden
PY  - 1949
DO  - 10.3133/oc38
UR  - https://pubs.usgs.gov/publication/oc38
ID  - oc38
ER  -