The the States Geological Society has released a novel interface to access together with download maps from the USGS’s Historical Topographic Map Collection. The USGS's topoView allows yous to search for historical maps of the the States together with download them for costless inwards a multifariousness of formats.
To discovery historical maps for a detail expanse yous tin pan together with zoom the map or movement into a place into the search box. You tin hence purpose the timeline command to search for maps inside a defined catamenia of time. If whatever maps that come across your criteria are available a side-panel volition slide in. Here yous tin browse together with download whatever of the maps (in JPEG, KMZ GeoPDF or GeoTIFF formats).
