TY  - BOOK
AU  - Cady,Richard Carlysle
ED  - Geological Survey (U.S.)
ED  - Virginia Geological Survey.
TI  - Ground-water resources of northern Virginia,
T2  - Virginia. Geological Survey. Bulletin 50
AV  - QE173 .A2 no. 50
PY  - 1938///
CY  - University, Va.
KW  - Groundwater
KW  - Virginia, Northern
KW  - Water-supply
N1  - At head of title: Commonwealth of Virginia. State Commission on Conservation and Development. Virginia Geological Survey
ER  -