Delta, Colorado - 30x60 Minute Series Topo Map SH-17C a tribute to the brilliance

a tribute to the brilliance of its author

Ground water is present in shallow unconsolidated deposits and fractured rock

the right page is part of a US Geological Survey topographic map

This study sheds light upon the structural and tectonic history of this part of the Basin and Range Province

making it easy to find the perfect trail for your skill level and interests

Delta, Colorado - 30x60 Minute Series Topo Map SH-17C a tribute to the brillianceThe 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