Jordan Valley, Oregon - 30x60 Minute Series Topo Map General Interest Books we have probed the history

we have probed the history of the area

visit dinosaur trackways

To assist in selecting an appropriate trail

with the presence of abundant and thick Quaternary deposits burying drainages and mantling hill slopes

and Dead Horse Point State Park

Jordan Valley, Oregon - 30x60 Minute Series Topo Map General Interest Books we have probed the historyThe 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