To understand the numbering of these maps, refer to the National Topographic System Index Maps. The area covered by a given mapsheet is determined by its location in Canada. Each map in this system has a unique number, which is a combination of numbers and letters. They are available in two standard scales: 1:50 000 and 1:250 000. Topographic maps produced by NRCan conform to the National Topographic System (NTS) of Canada. This section provides information to facilitate the use of topographic maps, and also how to obtain paper and digital maps. Unlike to the Maphills physical map of Fort Carson, topographic map uses contour lines instead. Why? Because they represent the earth's features accurately and to scale, on a two-dimensional surface. Terrain map shows different physical features of the landscape. A 5, 15, or 25 contribution will help us fund the cost of acquiring and digitizing more maps for free online access. Topographic maps are suitable for a wide variety of applications, from emergency management, urban planning, surveying, resource development, to camping, canoeing, hunting and fishing to name a few. More Celestial Map Links (Map History/History of Cartography Site) SUPPORT US: The PCL Map Collection includes more than 250,000 maps, yet less than 20 of the collection is currently online.
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