Geological section of Great and Little No. Mountains near Ferrol, Va. /

Shows area located in Augusta County, Virginia.
Date and scale from Stephenson's Civil War maps, 1989.
Pencil over pencil grid (some) on a sheet of lined paper, mounted on cloth.
In ink at top: Teste [sic] H. Bowyer C.B.C.
LC Civil War maps (2nd ed.), H225
Available also through the Library of Congress web site as raster image.
Includes notes and location map.
In pencil on verso: 203.