Organic geochemistry of black shales, marlstones, and oils of Middle Pennsylvanian rocks from the northern Denver and southeastern Powder River Basins, Wyoming, Nebraska, and Colorado.  by J.L. Clayton [and others]
Contributors: Clayton, J.L.
Publisher: Dept. of the Interior
Place of publication: Washington
Language: eng
Number of pages: 44
Subjects: Oil shales - Denver Basin
Notes: 11