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Topographic maps are also commonly called contour maps or topo maps. In the United States, where the primary national series is organized by a strict 7.5-minute grid, they are often called or quads or quadrangles. Topographic maps conventionally show topography, or land contours, by means of contour lines.
Baidu Maps (百度地图) Map: Amap (高德地图) Map: QQ Map (腾讯地图) Map: Tianditu / Map World (天地图) Map (Indirect link) Due to restrictions on geographic data in China, all Chinese map services provide distorted maps that are shifted from GeoHack's coordinates. You may obtain coordinates suitable for these maps from this link ...
The United States remains virtually the only developed country in the world without a standardized civilian topographic map series in the standard 1:25,000 or 1:50,000 metric scales, making coordination difficult in border regions (the U.S. military does issue 1:50,000 scale topo maps of the continental United States, though only for use by ...
Map Baidu Maps (百度地图) Map: Amap (高德地图) Map: QQ Map (腾讯地图) Map: Tianditu / Map World (天地图) Map (Indirect link) Due to restrictions on geographic data in China, all Chinese map services provide distorted maps that are shifted from GeoHack's coordinates. You may obtain coordinates suitable for these maps from this ...
The logo of the United States Geological Survey (USGS) The Geographic Names Information System (GNIS) is a database of name and location information about more than two million physical and cultural features throughout the United States and its territories; as well as the associated states of the Marshall Islands, Federated States of Micronesia, and Palau; and Antarctica.
Topo map OS Landranger 160, Explorer OL12 Craig Gwaun Taf , also known as Duwynt , is a mountain in the Brecon Beacons with a height of 826.4 m (2,711 ft).
Not all National Topographic System maps strictly follow the National Tiling System's linear grid. Some maps also, as an "overedge", cover land in an area which would otherwise be covered by an adjacent map sheet, simply because the latter area does not contain enough land in Canada to warrant a separate printing. [4] [clarification needed]
The maps are produced by the USGS, which encourages the distribution of their maps through business partners. TopoZone offered aerial photographs from the USGS and street maps from the United States Census Bureau. In 2007 complete coverage of Canada was added, using the topographic map series produced by Natural Resources Canada.