Oil development and potential of Mississippian and older formations in San Juan County, Utah (OFR-156) Rock Art and Scenic Books while lighter shades denote higher

while lighter shades denote higher altitudes

showcasing the state's diverse geography

Paleozoic uplift

Because of the large number of metallic mineral occurrences present within the Tooele 1x2 quadrangle

Oil development and potential of Mississippian and older formations in San Juan County, Utah (OFR-156) Rock Art and Scenic Books while lighter shades denote higherBy: H. W. Merrell The only major oil field that produces from reservoir rocks of Mississippian age or older in the State of Utah is the Lisbon Field which is located in San Juan County, Utah. This field has produced about 48 million barrels of oil and 295 million mcf of gas from 1960 through 1988. The majority of the production is from the Mississippian Redwall Formation with some co mingled Devonian Ouray production. There has also been production