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  1. The geology of Steeprock Lake, Ontario / by Andrew C. Lawson. Notes on fossils from limestone of Steeprock Lake, Ontario / by Charles D. Walcott.
    By: Lawson, Andrew C. - Walcott, Charles D.
    Publication info: Ottawa :Canada Dept. of Mines, Geological Survey Branch,1912.
    Contributed by: Gerstein - University of Toronto (archive.org)
    Subjects: Canada  Geology  Ontario  Paleontology  Steeprock Lake  
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