Phonolite Hill, Utah - 7.5 Minute Series Topo Map General Utah and Area Hiking Guides Expertly researched and created in

Expertly researched and created in partnership with the National Park Service and others

Cottonwood Heights

440 mile journey high in the Rocky Mountains and ends in the Gulf of California in Mexico

Land subsidence may result in various types of land-surface movements that can potentially cause problems if human development exists within the subsiding area

Phonolite Hill, Utah - 7.5 Minute Series Topo Map General Utah and Area Hiking Guides Expertly researched and created inThe 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