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1861 Robinson's Landing, Mouth of Colorado Ri … Exploration Book Robinson's Landing, Mouth of Colorado Ri … |
1861 Cocopas. Exploration Book Cocopas. Colorado Exploring Expedition. … |
1861 Yumas. Exploration Book Yumas. Colorado Exploring Expedition. In … |
1861 Shore of Lower Colorado. Exploration Book Shore of Lower Colorado. Colorado Explor … |
1861 Sections of Alluvial Bank of the Colorad … Exploration Book Fig 3. Sections of Alluvial Bank of the … |
1861 Edge of Sun-cracked Stratum of Clay is A … Exploration Book Fig 5. Edge of Sun-cracked Stratum of Cl … |