Ground-water supplies in shale and sandstone in Fairfax, Loudoun, and Prince William Counties, Virginia.
Johnston, P. M. 1904-1989.
Ground-water supplies in shale and sandstone in Fairfax, Loudoun, and Prince William Counties, Virginia. - Washington, [U.S. Geological Survey] 1960. - iv, 7 p. map, tables. 27cm.
Errata slip inserted.
Bibliography: p. 6-7.
gs 60000226
Water-supply--Virginia.
Groundwater--Virginia.
Borings--Virginia.
Water--Composition.
Geology--Virginia.
Geology, Stratigraphic--Triassic.
QE75 / .C5 no. 424
Ground-water supplies in shale and sandstone in Fairfax, Loudoun, and Prince William Counties, Virginia. - Washington, [U.S. Geological Survey] 1960. - iv, 7 p. map, tables. 27cm.
Errata slip inserted.
Bibliography: p. 6-7.
gs 60000226
Water-supply--Virginia.
Groundwater--Virginia.
Borings--Virginia.
Water--Composition.
Geology--Virginia.
Geology, Stratigraphic--Triassic.
QE75 / .C5 no. 424