TO BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-190*7. 
Emmons, Samuel Franklin — Continued. 
799. Geologic;! 1 structure of the Uinta Mountains. — Abstract : Science, new 
ser., vol. 25, pp. 767-768, May 17. 11)07. 
800. Investigations of metalliferous ores. — U. S. Geol. Survey. Bull. no. 315, 
pp. 14-19. 1907. 
Summarizes the investigations of the U. S. Geological Survey upon metalliferous ores 
during the year 190G. 
801. Suggestions for field observations of ore deposits. — Min. and Sci. Press, 
vol. 95, pp. L8-20, July <;. 1907. 
802. Biographical memoir of Clarence King, 1*42-1901. (Read before the 
National Academy of Sciences. April 23, 1903). Washington. 1907. — [Nat. 
Acad. Sci., Biog. Mem., vol. 6], pp. 25-55, 1 pi. (port.). 
Includes a list of his principal published works. 
Contributions to economic geology. 1905. — See Y. S. Geological Survey. 
Contributions t<> economic geologyj 1906, — See V. S. Geological Survey. 
Emmons, Samuel Franklin, and Irving, John Duer. 
803. The Downtown district of Leadville, Colorado. — V. S. Geol. Survey. 
Bull. no. 320, 75 pp.. 7 pis.. 5 tigs.. 1907. 
Describes the geologic structure of the district, and the distribution, relations, and 
origin of the ores. 
Emmons. William II. 
804. Ore deposits of Bear Creek, near Silverton, Colo. — U. S. Geol. Survey, 
Bull. no. 285, pp. 25-27, 1906. 
Describes briefly the general geology and the occurrence and character of the gold 
and silver telluride ores. 
805. The Casbin mine. Montrose County. Colo.- — U. S. Geol. Survey. Bull. no. 
285, pp. 125-128, 1906. 
Describes the geology of the vicinity of the mine and the character and origin of 
the copper ore. 
806. The Granite-Bimetallic and Cable mines. Pittsburg quadrangle, Mon- 
tana.— U. S. Geol. Survey. Bull. no. .Tir>, pp :n-o.->. 4 tigs.. 1907. 
Describes the geology, the distribution and character of the ores yielding silver, gold, 
and copper, and the mining developments. 
807. Normal faulting in the Bullfrog district. — Science, new ser.. vol. 2(5, 
pp. 221-222. August 16, 1907. 
Emmons, William H.. and Garrey, G. H. 
808. Notes on the Manhattan district f Nevada 1. — V. S. Geol. Survey. Bull, 
no. 308, pp. 84- 93, 1907. 
< lives notes on the general .neology of the region and the occurrence and character 
of the ore deposits. 
Engineering and Mining Journal, 
809. The Wisconsin lead and zinc district. — Eng. and Min. Jour., vol. 81, 
PP. 1183-1186, 7 tigs.. June 23. 1906. 
Describes the geology and the occurrence and character of the ores. 
Engineering News. 
810. The San Francisco disaster: earthquake and fire ruin in the Bay 
counties of California. — Eng. News, vol. .V). no. 17, pp. 47S— 180, 1 tig.. April 26, 
1906. 
Erben, Franz, and Ceipek, L. 
811. Analyse des Albit von Amelia [Virginia!. — Tschermak's Min. u. Petrog. 
Mitt., Bd. 20, Heft 1, p. 85, 1901. 
