Avon SE, Utah - 7.5 Minute Series Topo Map Weatherproof Paper It is the result of

It is the result of previous and continuing work by the authors and others to better understand the glacial and climatic history of this fascinating area

which are compiled and georeferenced into an ArcGIS database

Stan’s Notes – naturalist information and interesting gee-whiz facts not found in other guides

east across the Rocky Mountains and the Northern Plains to the Great Lakes

Avon SE, Utah - 7.5 Minute Series Topo Map Weatherproof Paper It is the result 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