TY - RPRT TI - Depositional environments of the Upper Triassic Chinle Formation in the eastern San Juan Basin and vicinity, New Mexico. Trace fossils and mollusks from the upper member of the Wanakah Formation, Chama Basin, New Mexico; evidence for a lacustrine origin. Stratigraphy, facies, and paleotectonic history of Mississippian rocks in the San Juan Basin of northwestern New Mexico and adjacent areas AU - Russell F. Dubiel AU - Jennie L. Ridgley AU - Augustus K. Armstrong AU - Lee D. Holcomb PY - 1989 DO - 10.3133/b1808bd UR - https://pubs.usgs.gov/publication/b1808BD ID - b1808BD ER -