TY  - RPRT
TI  - Maps showing geologic and hydrologic factors affecting land-use planning in the Culpeper Basin, Virginia and Maryland
AU  - A.J. Froelich
PY  - 1989
DO  - 10.3133/i1313j
UR  - https://pubs.usgs.gov/publication/i1313J
ID  - i1313J
ER  -