Available data include USGS imagery and topographic maps from The , as well as road and contour layers
By Summit Voice
FRISCO — Smart phone users already make good use of online mapping technology, but some recently developed apps also enable access to digital topo maps stored offline, which means they can be accessed even if there’s no internet connection.
Both Android and iPhone users can now use their mobile devices as digital topo maps, leveraging USGS maps together with the power of GPS to zoom in on their precise location while hiking, biking, running, or any other activity that benefits from precision navigation, according to the U.S. Geological Survey. The type of data that are available includes USGS imagery and topographic maps from The National Map, as well as road and contour layers.
Currently, two Android applications are using USGS data, OruxMaps (http://www.oruxmaps.com/index_en.html) and AlpineQuest (http://alpinequest.psyberia.net/). These apps include USGS services in the list of available online maps. (more…)