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1900

Plate LXXI. Ashland Quadrangle. Oregon. …

[Geologic Atlas, Geology Book]

Plate LXXI. Ashland Quadrangle. Oregon. …

1900

Plate CXV. Sonora Quadrangle, California …

[Geologic Atlas, Geology Book]

Plate CXV. Sonora Quadrangle, California …