David Rumsey
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Geological Formations of the United States.
4740.011
pilot4
Gray's Atlas Map of the United States Showing the Principal Geological Formations by Cha's. H. Hitchcock, Ph.D.,Professor of Geology in Dartmouth College.
1874
Gray, Ormando Willis
Stedman, Brown & Lyon
68 × 43 cm
1 : 7520000