1951 and 1952. Massachusetts Cooperative Wildlife Research Unit. Collection of 1:20,000 georeferenced black-and-white aerial photographs of Massachusetts taken in 1951-1952. The flights were commissioned by the U... U.S. Department of Agriculture.
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Spatial datasets deposited in ScholarWorks@UMassAmherst, the institutional repository at the University of Massachusetts Amherst.
1826, 1877, 1884, 1901, and 1910. Historical maps of Massachusetts held by the Robert S. Cox Special Collections and University Archives Research Center (SCUA) at the University of ...