Sun Valley, Idaho - 30x60 Minute Series Topo Map 24k Whether you’re in the mood

Whether you’re in the mood for an easy nature walk or a day-long hike

1st edition published January 2009

descriptions of geologic units

The science of vertebrate paleontology in Utah is robust and intense

This is an essential reference for anyone who enjoys the outdoors - from the first time camper to the experienced outdoorsman

Sun Valley, Idaho - 30x60 Minute Series Topo Map 24k Whether you’re in the moodThe 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