The Knoll, Utah - 7.5 Minute Series Topo Map Rafting much of it available for

much of it available for the first time

This map covers the lower Escalante River area in Glen Canyon National Recreation Area

Published: 2025

Learn about the ancient civilizations that once inhabited the land

By Bruce Grubbs

The Knoll, Utah - 7.5 Minute Series Topo Map Rafting much of it available forThe 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