Samuel Franklin Emmons

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Samuel Franklin Emmons
Samuel Franklin Emmons full.jpg
BornMarch 29, 1841 Edit this on Wikidata
Boston Edit this on Wikidata
DiedMarch 28, 1911 Edit this on Wikidata (aged 69)
Washington Edit this on Wikidata
Alma mater

Samuel Franklin Emmons (March 29, 1841 – March 28, 1911) was an American geologist. He was born in Boston, Massachusetts. He graduated from Harvard University in 1861 and studied at the Ecole des Mines in Paris, France, from 1862 to 1864 and at the Freiberg (Saxony) mining school in 1865. In May 1867, he was appointed assistant geologist under Clarence King on the American geological exploration of the fortieth parallel, and in July 1879 became geologist in charge of the Colorado division of the United States Geological Survey. He traveled extensively throughout the United States in connection with his work, and in 1870 made a survey, along with A. D. Wilson, of Mount Rainier, the highest and most inaccessible peak in the Cascade Range. The largest glacier in the contiguous United States, Emmons Glacier, is located along their survey route and is named after Emmons.

During the autumn of 1872, with Clarence King, Emmons discovered the locality of the supposed diamond fields in Colorado, and was active in exposing their fraudulent character.[1][2]

Emmons is the namesake of Mount Emmons, Colorado, and Mount Emmons, Utah.[3]

Emmons was president of the Geological Society of America in 1903.[4]



  1. ^ accessed January 15, 2009
  2. ^ National Academy of Sciences Biographical Memoir, accessed January 15, 2009
  3. ^ Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. pp. 119.
  4. ^ Eckel, Edwin, 1982, GSA Memoir 155, The Geological Society of America — Life History of a Learned Society: Boulder, Colorado, Geological Society of America Memoir 155, 168 p., ISBN 0-8137-1155-X.

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