TY  - RPRT
TI  - Ground-water hydrology and quality in the Valley and Ridge and Blue Ridge physiographic provinces of Clarke County, Virginia
AU  - W. G. Wright
PY  - 1990
DO  - 10.3133/wri904134
UR  - https://pubs.usgs.gov/publication/wri904134
ID  - wri904134
ER  -