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Nikkia Owlchild of the Wanupum Indians explains the significance of the buried petroglyphs to students Central Washington University Museum of Culture and Environment  during an exhibit called "Sacred Spaces" in Ellensburg, Wash. on February 3, 2011.  When the Priest Rapids Dam was built in 1961 it flooded Whale Island which the Wanapum consider a holy place, burying the ancient petroglyphs.  This exhibit of rubbings made from the stone etchings was put together by Arlene Buck, Owlchild's aunt, now deceased. The student on the left is Joel Ratliff, an anthropology major at the university.  (photo credit Karen Ducey)