Using US Topo and Historic Topo Maps on your Mobile Device

Lesson 6a: Using USGS US Topo and Historic Topographic Maps on your Mobile Device - This video demonstrates how to download and use US Topo and Historic Topographic maps on a mobile device.

Please note that some of our URLs in the video have changed. All URLs beginning with 'viewer.nationalmap.gov/...' have been updated to 'apps.nationalmap.gov/...'. These URLs should reroute automatically, but if you have an issue replace 'viewer.nationalmap.gov/...' with 'apps.nationalmap.gov/...'.  If you have questions, please visit https://usgs.gov/NationalMap/data.