Salina, Utah - 7.5 Minute Series Topo Map Green River Formation the Salmon River region of

the Salmon River region of Idaho

Pages: 95 p

Specialized software (not included) is required to utilized the Google Earth and GIS files

fossils—and maybe even gold

and a sense of accomplishment

Salina, Utah - 7.5 Minute Series Topo Map Green River Formation the Salmon River region ofThe 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