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1878 Parts of Western Wyoming and Southeaster … Separate Map Parts of Western Wyoming and Southeaster … |
1878 Parts of Western Wyoming and Southeaster … Separate Map Parts of Western Wyoming and Southeaster … |
1878 Preliminary geological map of the Yellow … Separate Map Preliminary Geological Map of the Yellow … |
1878 Geological Map of Portions of Wyoming, I … Separate Map Geological Map of Portions of Wyoming, I … |