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NYS ITS GIS Program Office

Geographic Information Systems Clearinghouse

GIS Data Set Details

Data Set Name Description Theme Metadata
Historical Topographic Map Collection The goal of The National Maps Historical Topographic Map Collection (HTMC), which started in 2011, is to provide a digital repository for all of the USGS 1:250,000 scale and larger maps printed between 1884, the inception of the topographic mapping program, and 2006. Currently, there are more than 178,000 high-resolution, georeferenced digital map files and accompanying metadata in the HTMC.   Miscellaneous

Supporting Documentation


  • The topoView web map application shows the many and varied older maps available for each area. Additional file formats (GeoTIFF, JPEG and KML) are available for download.
    • Additional historical map symbology information can be found in USGS FAQs


Contact Information:

Eliza Gross
425 Jordan Road
Troy, New York  12180 E-Mail