6e. Beadle, H. M. Ciokl niininfi; in Eastern Oregon. Eng. & Mg. Jour., Vol. 

 73, p. 136, 1902. 



7. Becker, George F. (Icologioul sketch of Oregon and Washington Terri- 

 tory, tenth censiiK, Vol. 13, pp. 27-8, 1SS5. 



Compares topography to that of California. Gives mention of coal 

 mined and yield of gold per year. Relates geological age of the Cascade 

 Range, Bhie Moimtains and the Coast Range. 



Idem, p. 183, mentions platinum found in Oregon. 



Idem, pp. 169-250, describes mineS; mill supplies, mining ditches, 

 stamp batteries, amalgamating plants, roasting, arrastras, hydraulic 

 mines, production of all, cost of labor, etc. 



9. Notes on the Stratigraphy of California. U.S. G. S. Bull. No. 19, 



p. 20, 1885. 



Notes relation of the Cascade to the Sierra and the Coast Ranges. 



10. Notes on the early Cretaceous of California and Oregon. Bull. Geo. 



Soc. of America, Vol. 2, pp. 201-6, 1891. 



Compares exposures at Riddles, Oregon, to Rnoxville series of 

 California, and gives list of fossils from Riddles. 



10a. Bell, Robt. W. (State Inspector of Mines). Ninth Annual Report of the 

 Mining Industry of Idaho for year 1907, pp. 79-92. 



Contains a description and illustration of "blow out" of gas at 

 Oregon Oil & Gas Company's well near Payette, Idaho. 



11. Bettany, G. F. On the Genus Merycochoerus (Family Oreodontidae) 



with descriptions of two new species. Q. J. G. S., Vol. 32, pp. 259-73, 

 1876. 



A description of mammalian remains, collected by Lord Walsing- 

 ham, from John Day Valley in 1871-2. Measurements and plates 

 accompany description. 



12. Biddle, Henry J. Notes on the Surface Geology of Southern Oregon. 



Am. Jour. Sci., 3d ser.. Vol. 35, pp. 475-82, 1888. 



Describes region in Southeastern Oregon which forms the northwest 



part of the Great Basin. 



13. Blake, William P. Gold and platinum from Cape Blanco. Am. Jour. Sci., 



2d ser., Vol. 18, p. 156, 1854. 



14. Observations on the extent of the Gold Region of California and 



Oregon. Mining Magazine, Vol. 5, pp. 32-48, 1855. 



15. Remarks on the extent of the Gold Regions of California and Ore- 

 gon. Am. Jour. Sci., 2d ser., Vol. 20, pp. 72-85, 1855. 



16. Review of a portion of the Geological Map of U. S. and British 



Columbia by Jules Marcou. Am. Jour. Sci., 2d ser., Vol. 22, p. 385, 

 Nov., 1856. 



Discusses age of coal beds along the Oregon coast, showing that 

 Marcou' s representation of Coos Bay coal as Carboniferous should 

 be Tertiary. 



17. Localitv of Secondarv Fossils in Oregon. Am. Jour. Sci., 2d ser.. 



Vol. 44, p."^118, July, 1867. 



Describes several fossils from John Day .and refers them to cre- 

 taceous. 



17a. Bonney, T. G. Volcanoes; their structure and significance. G. P. Put- 

 nam's Sons, 1899, p. 121, Crater Lake as an example of crater lakes; 

 p. 231, notes on Mts. Hood, Jefferson and the Three Sisters. 



17b. Bowman, Isaiah. Forest physiography. John Wiley & Son, 1912. 



