Big Springs, Idaho - 7.5 Minute Series Topo Map Raven Style orthophotography (Utah Automated Geographic Reference

orthophotography (Utah Automated Geographic Reference Center

Pages: 240

Heron North-San Juan County

The remainder of the quadrangle contains exposures of Tertiary strata

easy day trips to multi-day backcountry adventures—in Grand Teton National Park

Big Springs, Idaho - 7.5 Minute Series Topo Map Raven Style orthophotography (Utah Automated Geographic ReferenceThe 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