TY  - RPRT
TI  - Geologic map of the Round Hill quadrangle, Clarke and Loudoun Counties, Virginia, and Jefferson County, West Virginia
AU  - Robert C. McDowell
AU  - Daniel J. Milton
PY  - 1992
DO  - 10.3133/gq1702
UR  - https://pubs.usgs.gov/publication/gq1702
ID  - gq1702
ER  -