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Reading Topographic Maps. Interpreting the colored lines, areas, and other symbols is the fi rst step in using topographic maps. Features are shown as points, lines, or areas, depending on their size and extent. For example, individual houses may be shown as small black squares.
Interpreting the colored lines, areas, and other symbols is the first step in using topographic maps. Features are shown as points, lines, or areas, depending on their size and extent. For example, individual houses may be shown as small black squares.
There is no single document that describes all symbols used on all USGS topographic maps, but to help you read these maps, the USGS provides a variety of symbol guides. Two of particular value include the topographic map collection symbols guide, and the USGS Topographic maps home.
Interpreting the colored lines, areas, and other symbols is the first step in using topographic maps. Features are shown as points, lines, or areas, depending on their size and extent. For example, individual houses may be shown as small black squares.
A US Topo is a digital topographic map that covers 7.5-minutes of longitude by 7.5-minutes of latitude and is produced at a scale of 1:24,000. US Topos are freely distributable and are available for download on the Web from the USGS Store (http://store.usgs.gov) in Portable Document Format (PDF) with geospatial extensions (GeoPDF®, a ...
See the latest legend with symbols and colors that are used on USGS topographic maps. The legend and the topo maps are free to use on a computer or a phone.
25 kwi 2019 · Topographic Map Symbols. By Educational Resources April 25, 2019. Topographic Map Symbols.pdf (2.06 MB)
