Green River, Utah - 7.5 Minute Series Topo Map Elk Washington County

Washington County

Water on Earth was brought here by meteorites

Edited By: Lamar Underwood

with emphasis on determining the thickness of the valley-fill aquifer and the water-yielding properties of the fractured-rock aquifers

STRATIGRAPHY AND ICHNOLOGY OF EARLY TRIASSIC SWIM TRACK SITES IN GLEN CANYON NATIONAL RECREATION AREA

Green River, Utah - 7.5 Minute Series Topo Map Elk Washington CountyThe 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