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1861 Robinson's Landing, Mouth of … Exploration Book Robinson's Landing, Mouth of … |
1861 Cocopas. Exploration Book Cocopas. Colorado Exploring … |
1861 Yumas. Exploration Book Yumas. Colorado Exploring Ex … |
1861 Shore of Lower Colorado. Exploration Book Shore of Lower Colorado. Col … |
1861 Sections of Alluvial Bank of … Exploration Book Fig 3. Sections of Alluvial … |
1861 Edge of Sun-cracked Stratum … Exploration Book Fig 5. Edge of Sun-cracked S … |