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1875 Covers: Report of a reconnai … Exploration Book (Covers to) Engineering Depa … |
1875 Title Page: Report of a reco … Exploration Book (Title Page to) Engineering … |
1875 Contents: Table of contents: … Exploration Book (Contents to) Table of conte … |
1874 A geological map of the Blac … Exploration Book A geological map of the Blac … |
1875 Drawings of new fossils foun … Exploration Book Drawings of new fossils foun … |
1874 Map of a reconnaissance of t … Exploration Book Map of a reconnaissance of t … |
1874 Map of the Black Hills from … Exploration Book Map of the Black Hills from … |