Keywords: Triassic Utah.JPG Middle Triassic marginal marine sequence southwestern Utah Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html 2008-01-13 Wilson44691 wikipedia en Wilson44691 original upload log page en wikipedia Triassic_Utah JPG 2008-01-13 17 24 Wilson44691 1268×643×8 384577 bytes <nowiki>Photograph taken by Mark A Wilson Department of Geology The College of Wooster http //www3 wooster edu/geology/MWilson html</nowiki> Triassic geology of North America Sedimentology Geology of Utah |