TY  - RPRT
TI  - Water resources data, Virginia, water year 1991. Volume 2: Ground-water level and ground-water quality records
AU  - B.J. Prugh
AU  - E.D. Powell
PY  - 1993
DO  - 10.3133/wdrva912
UR  - https://pubs.usgs.gov/publication/wdrVA912
ID  - wdrVA912
ER  -