Duggins Creek, Utah - 7.5 Minute Series Topo Map Minerals and Gems As our population grows

As our population grows

Planners and developers can use it to understand the topography and infrastructure of the region

as clearly illustrated on the main map by its topography

The possibilities for dealing with earthquake problems in Utah in an integrated and manageable way are enviable

and that public officials require reliable hazard information as they plan for future growth

Duggins Creek, Utah - 7.5 Minute Series Topo Map Minerals and Gems As our population growsThe 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