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Showing posts with label A Geoscience Guide to the Burgess Shale: Geology and Paleontology in Yoho National Park by Murray Coppold; Wayne Powell (2006-01-01). Show all posts
Showing posts with label A Geoscience Guide to the Burgess Shale: Geology and Paleontology in Yoho National Park by Murray Coppold; Wayne Powell (2006-01-01). Show all posts