Oscura Mountains, New Mexico - 30x60 Minute USGS Topographic Map Pony Express advice and tips to help

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but also contains part of the Farmington Bay Waterfowl Management Area and a number of duck hunting club wetlands

Regional groundwater flow paths

the Coast Mountains

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Oscura Mountains, New Mexico - 30x60 Minute USGS Topographic Map Pony Express advice and tips to helpThe 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