10 



75. Courtis, William M. Ani:irilliuni. Trans. A. I. M. E.. Vol. .33, p. 350, 



1903. 



Josephinite in Josephine County, Oregon. 



76. Cox, Ross. Six years on the Columbia. 1832. 



77. Dall, W. H. Paleontological Investigation in Oregon. Division report. 



Twelfth annual report, U. S. G. S., Vol. 1, p. 116.. 1891. 



78. Neocene. Bull. U. S. G. S. 84, pp. 223-7, 280-5, 1892. 



Describes Neocene of Oregon as found near Port Orford, Coos 

 Bay, Yaquina Bay and Tillamook Head, and fresh water Tertiaries of 

 Oregon of John Day Valley and Pliocene lake beds. 



79. A Table of the North American Tertiary Horizons, Correlated with 



those of Western Europe and with one another, with additions; 18th 

 annual report, U. S. G. S., pp. 327-48, pt. 2, 1898. 



80. The Miocene of Astoria and Coos Bay, Oregon. Prof. Paper No. 



59, U. S. G. S., 1909. 



81. and Bartsch, Paul. The Pyramiddellid MoUusks of the Oregonian 



Faunal Area. Proc. U. S. Nat. Mus. 33, No. 1574. pp. 491-534, Pis. 

 44-8, Dec, 1907. 



82. Dana, James D. Geol. of U. S. Expl. Exp. under Charles Wilkes. Vol. 



10, pp. 011-78. On Oregon and Northern California, with appendix of 

 the Fossils of Oregon, pp. 722-9, 1849, and with plates of the fossils in 

 the Atlas to Vol. 10, Pis. 16-21. 



Geographical distribution of the diflferent ages of rocks in Oregon. 



83. Fossils from Northwestern America. Wilkes Expl. Exp. Vol. 10, 



Appendix, PI. 21, pp. 722-30. 



Descriptions of Fossils. 



84. Observations of Some Points in the Physical Geography of Oregon 



and Upper California. Am. Jour. Sci., Vol. 7, pp. 19, 376, 800, May, 

 1849. 



Describes the peculiarity of the coast line, the mountains, 

 rivers and valleys. 



85. Davidson, George. The Submerged Valleys of the Coast of California, 



U. S. A., and of Lower California, Mexico. Proc. Cal. Acad. Sci.. 3d 

 ser., Vol. 1, No. 2, pp. 76-7, 1897. 



86. Darton, N. H. Structural Materials in Parts of Oregon and Washington. 



Bull. ."^87, U. S. G. S., 1909. Gravel and sand, clay, broken rock, 

 building stone, plaster, cement and limestone around Portland and in 

 various counties of Oregon. 



86a. Preliminary list of deep borings in the U. S., 2d edition, with 



additions. U. S. G. S. water supply paper 149, 1905, p. 110. 

 liist of 11 borings. 



87. Day, William C. Stone in Oregon. 16th annual report, U. S. G. S., Part 



4, p. 4()8, 1894-5. 



Describes value and prospects of marble quarry of Roseburg, 

 Oregon. 



88. Pitch Coal of the Coos Bay Region. (Newport Mine.) 19th annual 



report, U. S. G. S., Part 3, pp. 370-6, 1897-8. 



Shows how related to asphalt. 



