Welcome to the Allegany County Historical Society



From: (Allegany County & It's People: A Centennial Memorial History of Allegany County, New York. --Histories of the Towns of the County; Mrs. Georgia Drew Merrill, Editor; Published by W.A.Fergusson & Co., Alfred,NY - 1896) The Maps of Allegany County Formation, Progressive from The Proprietary Tracts Prior to It's Formation, April 7, 1806 to Present

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Allegany County 1808

Allegany County 1820

Allegany County 1830

Allegany County 1840

Allegany County 1850

Allegany County 1860 to Present

Allegany County April 7, 1806

Allegany County prior to 1806

Asher & Adams NewYorkStateAtlas 1870

Asher & Adams NewYorkStateAtlas 1870 AlleganyCounty

View of many old names that were replaced. This map prior to the "Oil Book" days.

Morris's Purchase New York 1804

New York Province 1771 Guy Johnson

allegany 1771 submitted by Wm Greene

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