La Madera, New Mexico - 7.5 Minute Series Topo Map SizzlingSummarSale River mileage on the Escalante

River mileage on the Escalante River is noted as well

the Great Slave Lake

and other information for assessing the resource potential of the Sunnyside tar sand deposit are contained on this CD-ROM

Contains a 30-page report and 37-photo appendix of an investigation by the Utah Geological Survey of five recently discovered earth fissures in southwestern Utah

covers 30 miles by 60 miles

La Madera, New Mexico - 7.5 Minute Series Topo Map SizzlingSummarSale River mileage on the EscalanteThe 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