Dolphin Island West, Utah - 7.5 Minute Series Topo Map Backpacking this poster offers a concise

this poster offers a concise overview of the canyon's complex geology

The Thompson Springs quadrangle is located in east central Utah along the Interstate 70 (I-70) corridor

Scale: 1:50

A basic guide to the solar system

offering a detailed overview of trails

Dolphin Island West, Utah - 7.5 Minute Series Topo Map Backpacking this poster offers a conciseThe distinctive characteristic of a topographic map is that the shape of the Earth's surface is shown by contour lines. Contours are imaginary lines that join points of equal elevation on the surface of the land above or below a reference surface, such as mean sea level. Contours make it possible to measure the height of mountains, depths of the ocean bottom, and steepness of slopes. A topographic map shows more than contours. The map also includes