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1900

Plate CXXXVIII. Dayton Quadrangle, Wyomi …

[Geologic Atlas, Geology Book]

Plate CXXXVIII. Dayton Quadrangle, Wyomi …

1900

Plate CXXXIX. Bald Mountain Quadrangle, …

[Geologic Atlas, Geology Book]

Plate CXXXIX. Bald Mountain Quadrangle, …