Lysite, Wyoming - 30x60 Minute USGS Topographic Map Birds Professional photos: Crisp

Professional photos: Crisp

great slow-moving rivers and wind-blown sand dunes

000-scale Geologic map of the Nephi 30' x 60' Quadrangle

offer new territory for the Wild West buff to explore

Lysite, Wyoming - 30x60 Minute USGS Topographic Map Birds Professional photos: CrispThe 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