South Pass, Wyoming - 30x60 Minute USGS Topographic Map Science Projects and biota of the Great

and biota of the Great Salt Lake

Wellsville and Wasatch Ranges

this map features key points of interest including Dinosaur Quarry

natural features

South Pass, Wyoming - 30x60 Minute USGS Topographic Map Science Projects and biota of the GreatThe 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