George Perkins Merrill†—US National Museum—Remarks on Troost's geological map of the environs of Philadelphia, 1826.
Josiah Edward Spurr—USGS—Ore deposits of Monte Cristo, Washington.
Frederick Leslie Ransome—USGS—The Mother Lode Folio, California.
(Charles) David White†—USGS/US National Museum—Paleobotanical aspects of some upper Paleozoic formations of Nova Scotia.
† GSW Founder
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