Reedsport, Oregon - 30x60 Minute Series Topo Map blm and climatic extremes

and climatic extremes

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clearly marked recreation areas

Earth fissures related to groundwater overdraft of the Cedar Valley aquifer and resultant land subsidence have formed along parts of the eastern and western margins of the Enoch graben

Areas included: Uinta Ranger Districts

Reedsport, Oregon - 30x60 Minute Series Topo Map blm and climatic extremesThe 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