Geologic map of Elk Ridge and vicinity, San Juan County, Utah (MP 11-1dm) SH-4C

Geologic map of Elk Ridge and vicinity, San Juan County, Utah (MP 11-1dm) SH-4CBy: R. Q. Lewis, Sr., R. H. Campbell, R. E. Thaden, W. J. Krummel, Jr., G. C. Willis, and B. Matyjasik Elk Ridge is a high plateau in southeastern Utah that extends from the Abajo Mountains west to the Colorado River. The Pennsylvanian Paradox and Honakar Trail Formations are exposed in the deepest canyons near the river; Permian, Triassic, and Jurassic formations cap benches and high plateaus. Strata are gently folded by several broad anticlines and

Numerous smaller towns sprang up to service the railroad

Harry and Freddie

while lighter shades denote higher altitudes

White Sands

Department of Agriculture

take you over slickrock to the Harvest Scene panel in the remote Maze District

Comprehensive information about Douglass Dinosaur Quarry

explore prehistoric rock art at the San Rafael Swell

including campgrounds

And discover how two boys on the hunt for a bit of fun killed five people—including themselves—caused untold property damage

Featuring detailed topography

Pages: 23 p