Orndorff, R.C.,
Epstein, J.B., and McDowell, R.C., 1999,
Geologic
map of the Middletown quadrangle, Frederick, Shenandoah, Warren
Counties, Virginia: U.S. Geological Survey, Geologic Quadrangle
Map GQ-1803, scale 1:24000.Orndorff,
R.C., Weary, D.J., and Parker, R.A., 2003, Geologic map of the
Winchester
quadrangle,
Frederick
County
,
Virginia
: U.S. Geological Survey Open-File Report 03-461, CD-ROM.
Weary, D.J., Orndorff, R.C., and
Aleman-Gonzalez, W., 2006, Geologic map of the Stephens
City
quadrangle,
Clarke,
Frederick, and Warren
Counties
,
Virginia
: U.S. Geological Survey Open-File Report 2006-1173, scale
1:24,000.
|