Crescent, Oregon - 30x60 Minute Series Topo Map General Geology Location: Weber County and Morgan

Location: Weber County and Morgan County

Utah-bred men managed the line

Pages: 112

A survey of representative trilobite species from North America

Pages: 105 p

Crescent, Oregon - 30x60 Minute Series Topo Map General Geology Location: Weber County and MorganThe 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