US Topo maps repackage geographic information system GIS data in traditional map form; this benefits non-specialist map users, as well as applications that need traditional maps. 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 Science Explorer.
Mission Areas. Unified Interior Regions. Paste as plain text instead. Only 75 emoji are allowed. Display as a link instead. Clear editor. Upload or insert images from URL. All Activity Home Geocaching and Followers 2. Reply to this topic Start new topic. Recommended Posts. Squishy1 Posted December 3, Posted December 3, edited.
Hello all! Thanks in advance for any input! Link to comment. Posted December 3, Or as Mulvaney mentioned, check out the free maps on Gpsfiledepot. Another plug for the maps at gpsfiledepot,com Don't forget there are also transparent overlay trail maps that show on top of any maps you have on your GPS.
Posted December 4, Hope this helps. Squishy1 Posted December 4, GPS City offered the memory card at a lower price and prompt delivery. Computer, plan routes and then download the routes and maps to my handheld gps.
Garmin puts out free software called 'BaseCamp'. Welcome to the list of Garmin compatible maps for the United State of America. This mapset is a free download from our website. Trails from K maps. As the years passed, the USGS produced new map versions of each area. The most current map of each area is available from The National Map. TopoView shows the many and varied older maps of each area, and so is especially useful for historical purposes—for example, the names of some natural and cultural features have changed over time, and the historical names can be found on many of these topographic maps.
Geologic and topographic mapping have a long tradition together see report. Geological Survey. Chris served as the topoView development lead.
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