Driggs 75, Idaho - 7.5 Minute Series Topo Map Northern Utah database entries may be taken

database entries may be taken largely from the database of the adjacent state

easy-to-follow

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

several maps

Gilsonite is a solid hydrocarbon that forms a swarm of subparallel

Driggs 75, Idaho - 7.5 Minute Series Topo Map Northern Utah database entries may be takenThe 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