Umpqua Bibliography

Iverson, Richard M.. "Debris flows: behaviour and hazard assessment." Geology Today 30, no. 1 (2014): p.15-20.

Fisk, W. L., and United States. Army. Corps of Engineers. Improvement of Umpqua River, Oregon In Annual Report of the Chief of Engineers to the Secretary of War for the Year .... Vol. App. RR 7. Appendix R R. Improvement of rivers and harbors in Oregon, and of lower Columbia River, Oregon, and Washington. Report of Capt. W.L. Fisk, Corps of Engineers, officer in charge, for the fiscal year ending June 30, 1897, with other documents relating to th App. RR 7. Washington, D.C., 1897.

U.S. House of Representatives. Umpqua River, Oreg. Letter from the Secretary of War, transmitting, with a letter from the chief of engineers, report on preliminary examination of Umpqua River, Oreg., from Scottsburg to Roseburg, Oreg. In House Document. Vol. 62nd Congress, 2nd session, no.276. Examination of Umpqua River, Oreg. 62nd Congress, 2nd session, no.276. Washington, D.C.: U.S. Government Printing Office, 1911.