Roy, New Mexico - 30x60 Minute USGS Topographic Map SH-17C down-to-the-east scarps trend N

down-to-the-east scarps trend N

and small Tertiary igneous dikes

Kappele and Gary Warren is an invaluable resource for enthusiasts looking to explore the geologically rich state of Utah

Robert Silbernagel casts new light on the story of the Meeker affair

but has lots of updates

Roy, New Mexico - 30x60 Minute USGS Topographic Map SH-17C down-to-the-east scarps trend NThe 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