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Grove Karl Gilbert†—USGS—Rocks with peculiar surface markings resembling vermicular carving..

George Perkins Merrill†—US National Museum—An occurrence of free gold in granite.

(Charles) Whitman Cross†—USGS—The diorite of Ophir Loop and its inclusions, with suggestions as to the origin of certain gneisses.

Henry Ward Turner†—USGS—Archaen gneiss in the Sierra Nevada.

Joseph Stanley-Brown†—USGS—The Pribilof Islands as evidence of epeirogenic movement.

† GSW Founder