01409cam a22003371 4500 gs 38000241 DLC 20260227111343.0 780808s1938 orua b s000 0 eng c gs 38000241 (OCoLC)4119882 U. S. Geol. Survey. Libr. NcRS NcRS DLC premarc n-us-or x3x3 QE155 .A3 no. 10 SH153 .W3 Copy 2. Ward, Henry Baldwin, 1865-1945. Placer mining on the Rogue River, Oregon, in its relation to the fish and fishing in that stream, by Henry Baldwin Ward. An ecological study made for the Oregon State Department of Geology and Mineral Industries, September 1937 - May 1938. [Portland, 1938] 31 p. illus. 28 cm. Oregon. State Dept. of Geology and Mineral Industries. Bulletin no. 10 Appendix A: "Extracts from report on Rogue River turbidity, by Arthur M. Swarthley": p. 26-27. Appendix B: "Experiments on tolerance of young trout and salmon for suspended sediment in water, by L. E. Griffen": p. 28-30. "Articles cited": p. 31. Fisheries Oregon Rogue River. Rogue River (Or.) Water Pollution. Swartley, Arthur M., 1870- Griffin, Lawrence Edmonds, 1874- 27482 27482