||Cortland quadrangle, New York, Cortland County
||United States. Army Map Service
United States. Geological Survey
||U.S. Geological Survey
||Washington, District of Columbia
|United States. Army Map Service, and United States. Geological Survey. Cortland quadrangle, New York, Cortland County. (Washington, District of Columbia: U.S. Geological Survey, 1955).|
Available at the Family History Library.