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1900 Plate CXXXVII. Fortymile Quadrangle, Ala … [Geologic Atlas, Geology Book] Plate CXXXVII. Fortymile Quadrangle, Ala … |
1900 Plate CXXXVI. Hamilton Quadrangle, Monta … [Geologic Atlas, Geology Book] Plate CXXXVI. Hamilton Quadrangle, Monta … |