Subject ASC0003sbw

The geological magazine, or, Monthly journal of geology.
[Decade 1]:v .5 (1868), (1868)
California Academy of Sciences
BHL Page 36244267

Keywords

concrete agate minerology concretions brecciated banded AGATE JASPER agate concrete section map J. Ruskin J.C. Armitage G. Allen 1868 Concrete Agate section Concrete Agate Map

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