Sawtell Peak, Idaho - 7.5 Minute Series Topo Map Hand Lens By: Steve Allen

By: Steve Allen

Geologic hazards that could pose future problems include earthquakes

adding an even higher level of knowledge of the events which would shape the country

This happened because until about 200 million years ago the area of present-day Millard County lay near sea level and was awash in shallow marine waters on a continental shelf upon which a stack of fossil-bearing strata more than 6 miles (10 km) thick slowly accumulated

Harty and Adam P

Sawtell Peak, Idaho - 7.5 Minute Series Topo Map Hand Lens By: Steve AllenThe 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