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.

Discover what every line, shape, and color on topographic maps means. Master contour lines, symbols, and landcover icons to navigate with confidence.

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.

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 …

Use this Fact Sheet to teach students about topographic map symbols.

The first features usually noticed on a topographic map are the area features, such as vegetation (green), water (blue), and densely built-up areas (gray or red). Many features are shown by lines that …

In this article, we’ll unravel the language of USGS topographic map symbols, exploring their origins, conventions, and practical applications so you can read any map like a seasoned cartographer.

Colored lines, areas, and symbols on U.S. Geological Survey (USGS) topographic maps have explicit meanings. Features may be shown as points, lines, or areas, depending on their size; e.g., a single …

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.

Reading Topographic Maps Interpreting the colored lines, areas, aj^ other symbols is the first step in using topographic maps. Features are shown as points, lines, or areas, depending on their size and …