Geological Studies; Or, Elements of Geology. for High School
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Shall We Tech Geology?
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Sparks From A Geologist's Hammer (1881)
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Sparks from a Geologist's Hammer
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World-Life
Or, Comparative Geology »

Report of a Geological Survey of the Vicinity of Belle Plaine, Scott County, Minn.
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Geological and Industrial Resources of Antrim, Grand Travers
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Adamites And Preadamites
Or, A Popular Discussion Concerning The Remote Representatives Of The Human Species And Their Relation To The Biblical Adam »

Sketches Of Creation : A Popular View Of
A Popular View of Some of the Grand Conclusions of the Sciences in Reference to the History of Matter and of Life. Together with a Statement of the Intimatio... »