Tag: topo

175,000 U.S. Historical Maps–Now Online!


More than 175,000 historical topographic maps from the U.S. Geological Survey (USGS) are now available on ArcGIS Online. For over 130 years, the USGS has prepared these detailed maps to accurately show the complex geography of the nation. Maps cover … Continue reading

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Using USGS topos as your basemap


With a recent ArcGIS Online update the USA Topo basemap (containing the USGS topo map services) no longer appears in the ArcGIS.com map viewer and Explorer Online basemap galleries. The basemap was replaced by others having more global coverage.


Though it no longer appears in the gallery, the USGS topographic maps continue to be available and can be easily found and used as your basemap whenever you want. Here’s an easy way how to find and use them as your basemap:

ArcGIS.com Map Viewer

Open the ArcGIS.com map viewer with a new map and click Add, then choose Search for Layers:

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