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Preserving Fossil Treasures
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abundant amphibian animals Badlands book Badlands fossils Badlands National Monument bighorn birds bison Black Hills bullsnake canadensis Cedar Pass Chadron channel sandstones chipmunk clay Cliff Shelf Nature color common coyote Creek Rim Road Dakota Indians deer deposit difﬁcult Dillon Pass eroded erosion extinct feet ﬁg ﬁnd ﬁre ﬂat ﬂowers foot Fossil Exhibit fossils grass grasslands inches long juniper land leaves mammal miles Millard Ridge million years ago Missouri monument headquarters Museum of Natural National Park Service Natural History nest Oligocene Oligocene Epoch oreodonts paleontologists peaks penstemon Pierre Shale plant prairie dog pronghorn protoceras rain Rapid City rattlesnake region rock Rocky Sage Creek Basin Sage Creek Rim scientiﬁc sediments seed seen Sheep Mountain Table Shelf Nature Trail shrub Sioux slump snake soil South Dakota South Dakota School species tail thick thirteen-lined ground squirrel titanothere tree turtle visitor center weather Western White River wildlife winter yellow