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1881 Section along 36th parallel Rio Grande-C … Exploration Book Section along 36th parallel from the Rio … |
1881 Section along 37th parallel, Rio Grande- … Exploration Book Section along 37th parallel from the Rio … |
1881 69B, D, 77B, 78A. Parts of Atlas Sheets. National Atlas Parts of Atlas Sheets Nos. 69(B), 69(D), … |
1881 70A. Parts Of Southern Colorado And Nort … National Atlas Parts Of Southern Colorado And Northern … |
1881 70C. Part Of North Central New Mexico. National Atlas Part Of North Central New Mexico-Atlas S … |