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Clallam county, Washington/'* and "Gold placers of the northwestern 

 coast of Washington/' | in the former of which a brief outline of the 

 geology of the region is included. With the exception of the very brief 

 references mentioned, nothing has been written concerning the geology or 

 mineral resources of this extensive and interesting territorv. 



Figure 1. — Sketch Mat) of Coast of Olympic Peninsula, Washington. 



Showing the principal geologic formations of the northern and western portions. 

 Por detail of northern coast and explanatory legend see figure 2. Topography from 

 Coast and Geodetic Survey ; Geology by Ralph Arnold, 1904. 



Location 



The Olympic peninsula occupies an area of about 8,000 square miles, ap- 

 proximately 80 miles east and west by 100 miles north and south, in the 



* Contributions to Economic Geology for 1904. Bulletin no. 260, U. S. Geological Sur- 

 vey, 1905, pp. 413-421. 



t Ibid., pp. 154-157, fig. 11. 



