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Desborough, G. A., 1978, A biogenic-chemical stratified lake model for the origin of
<br />oil shale of the Green River Formation: An alternative to the playa-lake model:
<br />Geol. Soc. America Bull., v. 89, p. 961-971.
<br />Desborough, G. A., and Pitman, J. K., 1974, Significance of applied mineralogy to oil
<br />shale in the upper part of the Parachute Creek Member of the Green River
<br />Formation, Piceance Creek basin, Colorado: Rocky Mtn. Assoc. Geologists
<br />Guidebook (1974), p. 81-89.
<br />Desborough, G. A., Pitman, J. K., and Huffman, C., Jr., 1976, Concentration and
<br />mineralogical residence of elements in rich oil shales of the Green River
<br />Formation, Piceance Creek basin, Colorado, and the Uinta basin, Utah - A
<br />preliminary report: Chemical Geology, v. 17, p. 13-26.
<br />Donnell, J. R., 1961, Tertiary geology and oil-shale resources of the Piceance Creek
<br />basin between the Colorado and White Rivers, northwestern Colorado: U. S.
<br />Geol. Survey Bull. 1082-L, p. 835-887.
<br />, 1969, Paleocene and lower Eocene units in the southern part of the
<br />Piceance Creek basin, Colorado: U. S. Geol. Survey Bull. 1274-M, 18 p.
<br />1982, Tongues of the Green River and Uinta Formations in the Piceance
<br />Creek basin: Colo. Sch. Mines 15th Oil Shale Symposium Proceedings, p. 29-
<br />37.
<br />Donnell, J. R., and Blair, R. W., Jr., 1970, Resource appraisal of three rich oil shale
<br />zones in the Green River Formation, Piceance Creek basin, Colorado: Quart.
<br />Colo. Sch. Mines, v. 65, p. 73-87.
<br />Duncan, D. C., 1976a, Preliminary geologic map of Wolf Ridge Quadrangle, Rio
<br />Blanco County, Colorado: U. S. Geol. Survey Misc. Field Studies Map MF-
<br />753.
<br />Daub & Associates, Inc. Page 4-151 NSI Mine Plan 2010 Rev.
<br />Printed: 7/5/2010 Section 4 Geology
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