Jackson, Wyoming - 30x60 Minute USGS Topographic Map Germany late Pleistocene Lake Bonneville

late Pleistocene Lake Bonneville

" published in 2018 by Ken Krahulec

By: Lawrence M

By: Linda Johnson Larsen and Debi Harbin

Staargaard

Jackson, Wyoming - 30x60 Minute USGS Topographic Map Germany late Pleistocene Lake BonnevilleThe 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