Heliotrope Mountain, Utah - 7.5 Minute Series Topo Map HUMBOLDT explores the numerous mining districts

explores the numerous mining districts scattered across Utah

Box Elder County

and the area(s) estimated to be underlain by tar sands

from those you can hit on a pre-work dawn patrol to multiday overnight trips

Heliotrope Mountain, Utah - 7.5 Minute Series Topo Map HUMBOLDT explores the numerous mining districtsThe 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