Tar sand data for the P.R. Spring and Hill Creek areas, Uintah and Grand Counties, Utah (OFR-527) Colorado Mountain Club Full-color photos complement concise

Full-color photos complement concise

and other geographical features are easy to read

Resolution: 5 degrees

The map is designed for regional planning use to determine areas where local landslide hazards may exist and where more detailed planning maps and landslide studies are needed

and the iconic coastline

Tar sand data for the P.R. Spring and Hill Creek areas, Uintah and Grand Counties, Utah (OFR-527) Colorado Mountain Club Full-color photos complement conciseBy: J. W. Gwynn The P. R. Spring Hill Creek tar sand deposit lies within an area extending from T. 12 S. through T. 17 S., and R. 20 E. through R. 25 E., Salt Lake Baseline and Meridian, in Uintah and Grand Counties, Utah. The tar sands are found in the upper part of the Douglas Creek Member and the lower part of the Parachute Creek Member of the Green River Formation. The two members are separated by the Mahogany oil shale. The area is made up of U.