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  1. Catalogue and index of contributions to North American geology, 1732-1891,
    By: Darton, Nelson Horatio,
    Publication info: Washington,Gov't print. off.,1896.
    Contributed by: Cornell University Library
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  2. Guidebook of the western United States : Part C. The Santa Fe route; with a side trip to the Grand Canyon of the Colorado /
    By: Darton, Nelson Horatio,
    Publication info: Washington : b Govt. Print. Off.,1915.
    Contributed by: Harold B. Lee Library (archive.org)
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