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Topo Maps

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  • Category: Navigation
  • Released date: 03/26/2009
  • Current Version: 1.9
  • Seller: Philip Endecott
  • Recommended Age: 17+
  • Download Size: 71483908
  • Last Update: 07/22/2011
  • Requirements: All

iPhone Screenshots

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★ View USGS 1:24,000 topographical maps on your iPhone or iPod touch. ★ Ideal for hiking and other backcountry activities. ★ Map downloads are FREE! ★ Provides more than 69,000 maps covering the United States and Canada, including Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands.

➽ iPad owners, please see the app "Topo Maps for iPad"

Users write:

❝ I've bought all the topo map apps and I like this the best ❞

❝ Scans are gorgeous, especially compared to terraserver scans used elsewhere ... the interface is exceptionally clean ❞

❝ Downloading maps is easy and fast ... Map displays beautifully and zooms flawlessly ❞


★ Includes Alaska (at 1:24,000 and 1:63,360) and Canada (at 1:50,000).

★ Locate the maps you need on the satellite view. To install a map, touch for about half a second. Touch again to view it.

★ Search by name for over a million towns, peaks, lakes, parks and other features.

★ No network connection is needed once the maps have been installed.

★ Mark waypoints, and import and export waypoint files in GPX, KML and CSV formats.

★ Touch the "current location" button to see where you are. Use the compass to align the map.

★ See coordinates in NAD27 or WGS84 degrees, degrees minutes and seconds, UTM, or MGRS formats.

★ Measure distances (miles, feet and km) and bearings (true and magnetic).

Coverage: this app makes available more than 69,000 maps covering the United States, including Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands, and now also Canada.

The Maps: these USGS and NRCan maps are the definitive resource for hikers and other backcountry users, and the scans used by this app are of the highest quality. You can make the terrain stand out with hill shading, using simulated sunlight from the direction of your choice.

Downloading: US maps are around 8 MB in size and download in around 10 seconds to 2 minutes on a typical home broadband connection. About 15% of maps then require a 3-minute installation process. Canadian maps are larger. Both cellular data and WiFi can be used, though WiFi is likely to be more reliable in most cases. Please get in touch if you encounter problems while downloading maps.

➔ Do please visit http://topomapsapp.com/ for complete instructions, so that you don't miss any features.

We have many ideas for additional features to add to future versions of this app; if you have ideas or other questions or comments, contact details can be found on the website, http://topomapsapp.com/. The website also has more screenshots and other information.

App store reviews claiming that the maps date from the 1920s are written by confused users: 1927 is the year in which the standard North American Datum was established, not when the maps were surveyed. If you believe that a newer version of a map is available, please get in touch so that we can fix it.

Note that the 17+ rating is only because the app's help screen could be abused to get uncensored internet access.

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