A geological map of Lucas County, Iowa / by Benj: Smith Lyman. 1859.
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Lyman, Benjamin Smith, 1835-1920
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Benjamin Smith Lyman was a geologist and mining engineer. From the description of Papers, 1850-1918. (American Philosophical Society Library). WorldCat record id: 122316358 Benjamin Smith Lyman studied geology and mining engineering in France and in Germany. He worked with J. Peter Lesley in the Second Geological Survey of Pennsylvania, and later worked on the Iowa Geological Survey. Lyman was surveyor of the coal fields of Cape Breton Island and Nova Scotia and of the gold ...