Mercer 1940/1953 Advance Planimetric
PDF (6.8 MB)
USGS - Historic Quads
Mercer 1945 Advance Planimetric
PDF (7.2 MB)
USGS - Historic Quads
Mercer 1947 Advance Planimetric
PDF (7.0 MB)
USGS - Historic Quads
PDF (5.7 MB)
USGS - Historic Quads
PDF (5.5 MB)
USGS - Historic Quads
PDF (4.9 MB)
USGS - Historic Quads
PDF (5.1 MB)
USGS - Historic Quads