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P. R. spring oil-impregnated sandstone deposit Uintah and Grand Counties, Utah | 1970-02 | oil-impregnated sandstone beds; oil impregnation; oil shale; lenticular sandstones; siltstones | Oil-impregnated sandstone beds underlie at least 214 square miles in the southeastern Uinta Basin and may extend northward beneath cover. One to as many as five principal saturated zones, 3 to 75 feet thick, occur in a 250-foot interval that dips gently northward. The northernmost outcrops are overl... |
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