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1858. Harvard Map Collection, Harvard College Library, Walling, Henry Francis, 1825-1888., Hitchcock, Edward, 1793-1864., and Smith & Ingraham. This layer is a georeferenced raster image of the historic paper map entitled: Map of Franklin County, Massachusetts : based upon the trigonometric... Harvard Map Collection, Harvard College Library.
1886. Harvard Map Collection, Harvard College Library. This layer is a digital raster graphic of the historic 15-minute USGS topographic map of the Greenfield, Massachusetts quadrangle. The survey date ...
1990. Geological Survey (U.S.). This layer is a digital raster graphic of the 7.5 x 15 Minute USGS topographic map of the Greenfield, Massachusetts quadrangle, 1990. Scale 1:25,00... United States Geological Survey.
1989. Geological Survey (U.S.). This layer is a digital raster graphic of the 30 x 60 Minute USGS topographic map of the Holyoke, Massachusetts quadrangle, 1989. Scale 1:100,000. ... United States Geological Survey.
1986. Geological Survey (U.S.). This layer is a digital raster graphic of the 30 x 60 Minute USGS topographic map of the Keene, New Hampshire quadrangle, 1986, covering also porti... United States Geological Survey.
1884. Harvard Map Collection, Harvard College Library. This layer is a digital raster graphic of the historic 15-minute USGS topographic map of the Northampton, Massachusetts quadrangle. The survey date...
1996. Harvard Map Collection, Harvard Library and Pioneer Valley Planning Commission. This layer is a georeferenced raster image of the historic paper map entitled: The 1st Hampshire representative district within the Pioneer Valley ... Harvard Map Collection, Harvard Library.
1990. Geological Survey (U.S.). This layer is a digital raster graphic of the 7.5 x 15 Minute USGS topographic map of the Williamsburg, Massachusetts quadrangle, 1990. Scale 1:25,... United States Geological Survey.