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12 North Lake Powell Blvd.

PO Box 1835

Page, AZ, 86040

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Glen Canyon Conservancy is the official non-profit partner of Glen Canyon National Recreation Area and Rainbow Bridge National Monument.

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GCC supports Glen Canyon National Recreation Area, Lake Powell, Rainbow Bridge National Monument, Grand Staircase-Escalante National Monument, and Vermilion Cliffs National Monument

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At the Top of the Grandstaircase: the Late Cretaceous of Southern Utah

The Grand Staircase-Escalante National Monument in Utah is the location of one of the best-known terrestrial records for the late Cretaceous. A major effort in the new century has documented over 2,000 new vertebrate fossil sites, provided new radiometric dates, and identified five new genera of ceratopsids, two new species of hadrosaur, a probable new genus of hypsilophodontid, new pachycephalosaurs and ankylosaurs, several kinds of theropods (including a new genus of oviraptor and a new tyrannosaur), plus the most complete specimen of a Late Cretaceous therizinosaur ever collected from North America, and much more. At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah documents this major stepping stone toward a synthesis of the ecology and evolution of the Late Cretaceous ecosystems of western North America.

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    656 pages

$85.00Price