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1989. Geological Survey (U.S.). This layer is a digital raster graphic of the 30 x 60 Minute USGS topographic map of the Albany, New York quadrangle, 1989, covering also portions ... United States Geological Survey.
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.
1885. Harvard Map Collection, Harvard College Library. This layer is a digital raster graphic of the historic 15-minute USGS topographic map of the Greylock, Massachusetts quadrangle. The survey date (g...
1893. Harvard Map Collection, Harvard College Library. This layer is a digital raster graphic of the historic 15-minute USGS topographic map of the Hawley, Massachusetts quadrangle. The survey date (gro...
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.
1816. Harvard Map Collection, Harvard College Library, Carrigain, Philip, 1772-1842., Barralet, John James, ca. 1747-1815., Harrison, William, ca. 1750-1803., and Gilman, John Taylor, 1753-1828, dedicatee. This layer is a georeferenced raster image of the historic paper map entitled: New Hampshire by recent survey : made under the supreme authority an... Harvard Map Collection, Harvard College Library.
1816. Harvard Map Collection, Harvard College Library, Carrigain, Philip, 1772-1842., Barralet, John James, ca. 1747-1815., Harrison, William, ca. 1750-1803., and Gilman, John Taylor, 1753-1828, dedicatee. This layer is a georeferenced raster image of the historic paper map entitled: New Hampshire by recent survey : made under the supreme authority an... Harvard Map Collection, Harvard College Library.
1886. United States Geological Survey. A scanned USGS 1:62500 topographic map. United States Geological Survey.
1886. United States Geological Survey. A scanned USGS 1:62500 topographic map. United States Geological Survey.
1886. United States Geological Survey. A scanned USGS 1:62500 topographic map. United States Geological Survey.