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1876 Upper Geyser Basin : drawn u … Exploration Book Ludlow, William |
1876 Judith Basin : drawn under t … Exploration Book Ludlow, William |
1876 Contents: Contents to Report … Exploration Book Ludlow, William |
1876 Title Page: Report of a Reco … Exploration Book Ludlow, William |
1876 Covers: Report of a Reconnai … Exploration Book Ludlow, William |
1875 Map of a Reconnaissance From … Exploration Book Ludlow, William |
1875 Plate. 2. New species of fos … Exploration Book Ludlow, William |
1875 Plate. 1. New species of fos … Exploration Book Ludlow, William |