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1892. United States. Geological Survey. This is a scanned historical map of the Gilead Quadrangle in Connecticut shown at a scale of 1:62,500. This map was created by the US Geological Su... US Geological Survey.
1892. United States. Geological Survey. This is a scanned historical map of the Gilead Quadrangle in Connecticut shown at a scale of 1:62,500. This map was created by the US Geological Su... US Geological Survey.
1892. United States. Geological Survey. This is a scanned historical map of the Gilead Quadrangle in Connecticut shown at a scale of 1:62,500. This map was created by the US Geological Su... US Geological Survey.
1892. United States. Geological Survey. This is a scanned historical map of the Gilead Quadrangle in Connecticut shown at a scale of 1:62,500. This map was created by the US Geological Su... US Geological Survey.
1893. United States. Geological Survey. This is a scanned historical map of the Guilford Quadrangle in Connecticut shown at a scale of 1:62,500. This map was created by the US Geological ... US Geological Survey.
1893. United States. Geological Survey. This is a scanned historical map of the Guilford Quadrangle in Connecticut shown at a scale of 1:62,500. This map was created by the US Geological ... US Geological Survey.
1893. United States. Geological Survey. This is a scanned historical map of the Guilford Quadrangle in Connecticut shown at a scale of 1:62,500. This map was created by the US Geological ... US Geological Survey.
1893. United States. Geological Survey. This is a scanned historical map of the Guilford Quadrangle in Connecticut shown at a scale of 1:62,500. This map was created by the US Geological ... US Geological Survey.
1909. United States. Geological Survey. This is a scanned historical map of the Boston Quadrangle in Massachusetts shown at a scale of 1:62,500. This map was created by the US Geological ... US Geological Survey.
1856. Harvard Map Collection, Harvard College Library and Walling, Henry Francis, 1825-1888. This layer is a georeferenced raster image of the historic paper map entitled: Map of Middlesex County, Massachusetts, the details from original su... Harvard Map Collection, Harvard College Library.