Stratigraphic cross section showing upper Paleocene coal-bearing rocks of the Tongue River member of the Fort Union Formation in the Piney Canyon SE Quadrangle, Weston County, southeastern Powder River basin, Wyoming
Keyword(s):
1991 ◽
Keyword(s):
1991 ◽
Keyword(s):
Keyword(s):
1981 ◽
pp. 169-190
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