Jug Rock, Utah - 7.5 Minute Series Topo Map Wasatch Hiking Book One of the plates deals

One of the plates deals with suitability for wastewater disposal in septic-tank soil-absoprtion systems

and Mount Timpanogos in the background

150 species are also illustrated with color photographs

and colorful sedimentary layers

and nearby mining districts in Nevada - Utah: implications for petroleum

Jug Rock, Utah - 7.5 Minute Series Topo Map Wasatch Hiking Book One of the plates dealsThe 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