1871
Maker: Walling and Gray.
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Hand colored geological map of Massachusetts, showing major areas of deposits of the Eozoic, the Paleozoic, the Mesozoic, and the Cenozoic eras. Surrounded by explanatory text. From the Walling & Gray "Official Topographical Atlas of Massachusetts" 1871. Good to very good overall antique condition with toning, some small stains at the seam, and a repaired seam separation at bottom about 3 inches. Measures approximately 14 x 24 inches.
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Item Number: MAS425