TY - RPRT TI - Concentration and mineralogical residence of elements in rich oil shales of the Green River Formation, Piceance Creek basin, Colorado, and the Uinta Basin, Utah - A preliminary report AU - G. A. Desborough AU - Janet K. Pitman AU - C. Huffman PY - 1976 DO - 10.1016/0009-2541(76)90018-8 UR - https://pubs.usgs.gov/publication/70010958 ID - 70010958 ER -