Foote Range, Utah - 7.5 Minute Series Topo Map Outward Bound Willow Beach

Willow Beach

Empirical correlation between earthquake ground-motion amplification and the average shear-wave velocity in the upper 30 meters below the ground surface (Vs30) provides the basis of the site classes in the International Building Code

and best hiking seasons for every featured hike

Expertly Crafted Maps

Utah and San Juan Basin

Foote Range, Utah - 7.5 Minute Series Topo Map Outward Bound Willow BeachThe 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