Erickson Wash Sw, Utah - 7.5 Minute Series Topo Map Historical Geology Used to find and plot

Used to find and plot coordinates

and descriptions of primary and secondary structures

The steep terrain is subject to slope instability and landsliding

and Sanpete County

The Anasazis' accomplishments - in agriculture

Erickson Wash Sw, Utah - 7.5 Minute Series Topo Map Historical Geology Used to find and plotThe 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