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1900

Plate CXXXVIII. Dayton Quadr …

[Geologic Atlas, Geology Boo

Plate CXXXVIII. Dayton Quadr …

1900

Plate CXXXIX. Bald Mountain …

[Geologic Atlas, Geology Boo

Plate CXXXIX. Bald Mountain …

1900

Plate CXLI. Newcastle Quadra …

[Geologic Atlas, Geology Boo

Plate CXLI. Newcastle Quadra …