Moapa East, Nevada - 7.5 Minute Series Topo Map UGS SS Here are Wyoming's rocks and

Here are Wyoming's rocks and landscapes in all their richness and variety

with surface waves as a dominant waveform

Complemented by full-color photos

Exposed strata range from the Triassic Petrified Forest Member of the Chinle Formation to the Jurassic Co-op Creek Limestone Member of the Carmel Formation

Tom Wharton retired from full-time work at The Salt Lake Tribune in 2016 after working as an outdoor writer

Moapa East, Nevada - 7.5 Minute Series Topo Map UGS SS Here are Wyoming's rocks andThe 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