'Examples of the Different Rocks That Make Up The Earth's Crust', 1935. Artist: Unknown.

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'Examples of the Different Rocks That Make Up The Earth's Crust', . From The Popular Science Educator, Volume 1, edited by Charles Ray. [The Amalgamated Press, Ltd., London, ]

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Photo credit: © The Print Collector/Heritage Images / Alamy / Afripics
License: Licensed
Model Released: No

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