Guernsey County Historical Society:
USGS 1909 Cambridge Quadrangle Map, 1912 Edition
Guernsey County Historical Society:
USGS 1909 Antrim Quadrangle Map, 1911 Edition
Guernsey County Historical Society:
USGS 1903 Flushing Quadrangle Map, 1905 Edition
Guernsey County Historical Society:
USGS 1909 Cumberland Quadrangle Map, 1911 Edition
Guernsey County Historical Society:
USGS 1909 Summerfield Quadrangle Map, 1911 Edition
Guernsey County Historical Society:
USGS 1903 Woodsfield Quadrangle Map, 1905 Edition