Jim Sage Canyon, Idaho - 7.5 Minute Series Topo Map Cambrian Trust Lands

Trust Lands

Ten of the landslides initiated as rotational rock slides or earth slides in the Tertiary Keetley Volcanics or Keetley-derived residual material and two of the ten have evolved into earth flows

By: Leslie Kelen

"Beyond the Visible Landscape" serves as an exquisite coffee table book

Jim Sage Canyon, Idaho - 7.5 Minute Series Topo Map Cambrian Trust LandsThe 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