Grover Canyon, Idaho - 7.5 Minute Series Topo Map Hiking and Recreation Maps The book is structured around

The book is structured around the state’s highways

• Made in the USA in Riverton

including newly identified

a temperature chart

You'll explore the significance of features like the Great Unconformity and the role of the Colorado River in the canyon's development

Grover Canyon, Idaho - 7.5 Minute Series Topo Map Hiking and Recreation Maps The book is structured aroundThe 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