Title | Date | Subject | Description | ||
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1 | Utah's tar sand resource: Geology, politics, and economics | 1976 | Utah tar sand; tar sand resource; geology; politics; economics; oil-impregnated rock deposits; oil shale; tar sands | Twelve of fifty deposits of oil-impregnated rock in Utah contain 98 percent of the 26 billion barrels estimated in place. This is about 90 to 95 percent of the total mapped U.S. resource. Several deposits have been and are mined for paving material. Extraction of oil from three deposits is beginning... |