A topographic map shows more than contours. The map includes symbols that represent such fea-tures as streets, buildings, streams, and vegetation. These symbols are con-stantly refi ned to better relate to the features they represent, improve the appearance or readability of the map, or reduce production cost. Consequently, within the same

Topographic map symbols 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.

The USGS Topographic Maps use symbols or colors to represent features, and this Topographic Map Key explains what they mean. Contour lines are distinctive to the topographic maps but there are other features shown on the maps including buildings, water and vegetation.

Point symbols of different shapes and sizes depict features such as structures, dams, gates, rocks, waterfalls, and wells. Linear map symbols (lines) show such features as roads, rivers, boundaries, and contours.

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.

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.

Nov 29, 2024 · In topographic maps, colors and symbols are key to revealing the landscape’s secrets. Greens indicate vegetation, with darker shades for dense forests and lighter for grasslands. Blues depict water bodies, their intensity mirroring depth or flow.

Apr 25, 2019 · Topographic Map Symbols By Educational Resources April 25, 2019. Topographic Map Symbols.pdf (2.06 MB) Sources/Usage. Public Domain. Explore Search. Geology; Resources for Teachers; topographic maps; Educational Resources; View All . Back to Top. Science Science Explorer; Mission Areas; Programs; Regions;

The set of symbols and their appropriate use on National Topographic System (NTS) maps is described by a specific set of rules: Standards and Specifications for Polychrome Maps. This guide ensures uniform depiction of land features on both 1/50 000 and 1/250 000 maps.

Jun 22, 2024 · Topographic maps display a wide range of features, including: – Contours: These lines represent the height and shape of mountains, depths of the ocean bottom, and the steepness of slopes. – Hydrographic features: Rivers, …