Other Sources of GIS Data: Erie County Aerial photography series (1920's, 1951) 1894 City of Buffalo Atlases Digital or paper Erie County tax plats Open Data Buffalo NYS GIS Clearinghouse Cornell University Geospatial Information Repository USDA NRCS Geospatial Data Gateway USGS National Map U.S. Open Data Changed 07/16/2021 - 12:25 pm