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The National Topographic System or NTS is the system used by Natural Resources Canada for providing general purpose topographic maps of the country. NTS maps are available in a variety of scales, the standard being 1:50,000 and 1:250,000 scales. [1]
In modern mapping, a topographic map or topographic sheet is a type of map characterized by large- scale detail and quantitative representation of relief features, usually using contour lines (connecting points of equal elevation), but historically using a variety of methods.
Topography is the study of the forms and features of land surfaces. The topography of an area may refer to the land forms and features themselves, or a description or depiction in maps.
Jan 7, 2022 · The National Topographic System is a standardized method of mapping. Natural Resources Canada uses the system to produce maps that depict the country’s natural and man-made features (e.g. lakes, rivers, railways and roads). Instituted in 1927, today the NTS uses two scales: 1:50,000 and 1:250,000.
The Historical Topographic Map Collection (HTMC) is the set of scanned images of USGS topographic quadrangle maps originally published as paper documents in the period 1884-2006. Visit Historical Topographic Maps - Preserving the Past for more information. 2. US Topo is the current USGS topographic map series for the Nation.
The U.S. Geological Survey celebrated the 125th anniversary of its national program for topographic mapping (1884–2009). Topographic maps became a signature product of the USGS because the public found them—then and now—to be a versatile tool for viewing our Nation's vast landscape.
Maps and Mapping. What is a topographic map? The distinctive characteristic of a topographic map is the use of elevation contour lines to show the shape of the Earth's surface.
