REFINE
Browse All : Geology by Hitchcock, Charles H. (Charles Henry), 1836-1919 of United States
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Author
[Blake, William P. (William Phipps), 1826-1910, Hitchcock, Charles H. (Charles Henry), 1836-1919, United States. Census Office]
Full Title
Geological map of the United States compiled by C.H. Hitchcock and W.P. Blake from sources mentioned in the text. 1874. Lith. by J. Bien, N.Y.
List No
3566.010
Note
Colored lithographed map. Shows 9 geologic units.
Author
[Gray, Ormando Willis, Hitchcock, Charles H. (Charles Henry), 1836-1919]
Full Title
Gray's Geological Map of the United States by Charles H. Hitchcock PhD, Professor of Geology in Dartmouth College. Philadelphia: O.W. Gray & SOn.
List No
3888.070
Note
Prime meridians Washington D.C. and Greenwich. Relief shown by hachures.
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