![]() Use the following ideas as an aid in building educational lessons or to spark your own ideas for using topographic maps in the curriculum. They can be used in a variety of ways in the science, math, geography, and history curriculum, from elementary to college level. Topographic maps are a fantastic teaching resource for educators. These maps are most commonly published at the 1:24,000 scale (7.5 minute quadrangle), although many other map scales exist. Topographic maps show contour lines (elevation and landforms), hydrography (rivers, lakes, marshes), transportation (roads, trails, railroads, airports), vegetation, boundaries, survey markers, urban areas, buildings, and a variety of other features. ![]() The USGS publishes approximately 57,000 different topographic maps covering the United States. ![]()
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