Young, Neil B. Determination of carbonate minerals of Green River Formation oil shales, Piceance Creek Basin, Colorado Young, Neil B.; Robb, William A.; Smith, John Ward - Washington Bureau of mines 1975 - 41 p. - RI 8008 . Subjects--Topical Terms: MINERIAMINING Subjects--Index Terms: MINERALES CARBONATADOS CARBONATE MINERALS Universal Decimal Class. No.: 622