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Author Dubiel, Russell F.
Title Depositional environments of the Upper Triassic Chinle Formation in the eastern San Juan Basin and vicinity, New Mexico / by Russell F. Dubiel. Trace fossils and mollusks from the upper member of the Wanaka Formation, Chama Basin, New Mexico : evidence for a lacustrine origin / by Jennie L. Ridgley. Stratigraphy, facies, and paleotectonic history of Mississippian rocks in the San Juan Basin of northwestern New Mexico and adjacent areas / by Augustus K. Armstrong and Lee D. Holcomb.
Imprint Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1989.


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