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1898 The Gold and Coal Fields of … Exploration Book The Gold and Coal Fields of … |
1858 Rio Colorado of the West. Exploration Book Explorations and Surveys. Wa … |
1858 Rio Colorado of the West. Exploration Book Explorations and Surveys. Wa … |
1858 Geological Map ... Rio Color … Exploration Book Geological Map No. 1. Prepar … |
1858 Geological Map ... Rio Color … Exploration Book Geological Map No. 2. Prepar … |