Anderson Butte, Idaho - 7.5 Minute Series Topo Map Mining and Minerals 000-term Glossary of Geology

000-term Glossary of Geology

and the northern regions of Ontario and the Labrador Peninsula

(2) develops a water budget for the drainage basin

By: Stanley Vestal

Anderson Butte, Idaho - 7.5 Minute Series Topo Map Mining and Minerals 000-term Glossary of GeologyThe 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