Jakes Knoll, Utah - 7.5 Minute Series Topo Map GHOST STORIES correlation of surficial map units

correlation of surficial map units

classic examples of inverted valleys capped by older lava flows

000 feet) of cyclic carbonate

Before the 1870s

Jakes Knoll, Utah - 7.5 Minute Series Topo Map GHOST STORIES correlation of surficial map unitsThe 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