Limited GIS functionality, such as displaying ground coordinates, is available with all maps, and the layered construction of the PDF files allows users to turn data layers on and off. The maps include layers not present on most traditional topographic maps, such as aerial photo and shaded relief images.
Many additional feature classes have been added over the life of the project, and new and better data sources have been found for others. A challenge has been finding national datasets for all the feature types of a traditional topographic map. See this FAQ for more information about specific layers. The first 3-year production cycle for the conterminous 48 states was completed in September , and the second in September The third cycle is planned for completion in Alaska has partial coverage, which is expected to be completed in Topographic maps originally published as paper documents in the period have been scanned and continue to be published as GeooPDF documents in the Historical Topographic Map Collection.
These can also be downloaded free of charge. Science Explorer. This is a really excellent topo app without the silly cloud or social features that seem to be commonplace on nearly all other topo map apps. Thanks developer! I owe you many beers for all the trouble this app has gotten me out of in the mountains.
Just download before you go, then turn off Map Management to hide the download maps interface. Great basic navigation app. Privacy practices may vary, for example, based on the features you use or your age. Learn More. With Family Sharing set up, up to six family members can use this app.
App Store Preview. Screenshots iPad iPhone. Description Download and view topographic maps covering the United States. May 11, Version 6. I'm a Reporter. Staff Profiles. Social Media. Contact Us. About Us. Survey Manual. Key Officials. Careers and Employees. Doing Business. Emergency Management. Get Maps. Today, USGS topographic quadrangle maps are divided into two product types: 1. The toolbar makes it simple to select preset or customized category settings for different types of activities, including aviation, boating, driving, hiking, and hunting.
Other features include an accurate routing function for adding POIs, land features, and aviation nav aids to routes with the click of a mouse; dynamic pan arrows that pop up when you move the mouse pointer near the edge of the map; and pop-up information boxes for POIs, land features, and interstate highway exits.
Electronics: Highly detailed PC mapping software with continental U.
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