National Hydrographic Dataset

Nearly 90,000 high resolution scans of the more than 200,000 historical U.S. Geologic Survey topographic maps, some dating as far back as 1884, are now available online.

The Historical Topographic Map Collection includes published U.S. maps of all scales and editions. The historical maps are available for digital download to the public at no cost in a GeoPDF format. Printed copies are also available for $15 plus a $5 handling charge from the USGS Store. Keep reading →