Geological Exploration of the Fortieth Parallel

A member of Clarence King's Geological Exploration of the 40th Parallel surveying from a rock. Shoshone Canyon and Falls, Idaho Territory, in background. By Timothy H. O'Sullivan, 1868[1]

The Geological Exploration of the Fortieth Parallel was a geological survey made by order of the Secretary of War according to acts of Congress of March 2, 1867, and March 3, 1869, under the direction of Brig. and Bvt. Major General A. A. Humphreys, Chief of Engineers, by Clarence King, U. S. geologist.[2] More commonly known as the Fortieth Parallel Survey, the survey conducted field work from 1867 to 1872, exploring the area along the fortieth parallel north from northeastern California, through Nevada, to eastern Wyoming.

Results

The results of the survey were published in eight volumes of the Fortieth Parallel Survey:[3]

Atlases:

Wikimedia Commons has media related to Geological Exploration of the Fortieth Parallel — The King Survey, compiled 1867 - 1872.

References

Additional Sources

This article is issued from Wikipedia - version of the 8/1/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.