![]() ![]() ![]() To understand the numbering of these maps, refer to the National Topographic System Index Maps. A topographical map could show a fish-farm site (scale 1 cm for 200 m or 1 : 20. The area covered by a given mapsheet is determined by its location in Canada. Topographical plans and maps are drawings which show the main physical. 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. Why? Because they represent the earth's features accurately and to scale, on a two-dimensional surface. 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. ![]()
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