1959
U.S. Bureau of Reclamation. Umpqua River Project, Oregon, Olalla Division, reconnaissance report. Boise, Idaho: [U.S. Bureau of Reclamation], 1959.
U.S. Army Corps of Engineers. North Pacific Division, U.S. Army Corps of Engineers. Portland District, and U.S. Army Corps of Engineers. Walla Walla District. Water resources development by the U.S. Army Corps of Engineers in Oregon. Portland, OR: United States Army Corps of Engineers, 1959.
1958
Marriage, Lowell D., and Fish Commission of Oregon. The bay clams of Oregon: their identification, relative abundance, and distribution In Educational Bulletin - Fish Commission of Oregon. Vol. no. 2. Portland, Or.: [Oregon Fish Commission], 1958.
→ ir.library.oregonstate.edu/concern/technical_reports/db78tc76p
Cooper, William S.. Coastal sand dunes of Oregon and Washington In Memoir (Geological Society of America). Vol. no.72. New York, NY: Geological Society of America, 1958.
Waldron, Kenneth D., and Oregon. Fish Commission. The fishery and biology of the Dungeness crab (Cancer magister Dana) in Oregon waters In Contribution (Oregon. Fish Commission) . Vol. no.24. Portland, Or.: Fish Commission of Oregon, 1958.
→ ir.library.oregonstate.edu/concern/defaults/hx11xm506
Burt, Wayne V., and Bruce W. McAlister. Hydrography of Oregon estuaries : June 1956 to September 1958 In Data Report (Oregon State College. School of Science). Corvallis, Or.: School of Science, Oregon State College, 1958.
→ ir.library.oregonstate.edu/concern/technical_reports/t722hb284
Umpqua Drainage Basin, Chinook Salmon Spawning Areas [cartographic material]., 1958.
Umpqua Drainage Basin, Silver Salmon Spawning Areas [cartographic material]., 1958.
→ ir.library.oregonstate.edu/concern/defaults/4x51hp26h
Umpqua Drainage Basin, Steelhead Trout Spawning Areas [cartographic material]., 1958.
→ ir.library.oregonstate.edu/concern/defaults/qz20sx85q
Bauer, J. A., and W. O. Saltzman. "Umpqua River." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1958): 1-26.
→ ir.library.oregonstate.edu/concern/technical_reports/12579x43k
Umpqua River Basin.. Salem, Or.: Oregon State Water Resources Board, 1958.
→ ir.library.oregonstate.edu/concern/defaults/vm40xw57p
Umpqua River Valley Pulp and Paper Development Study In Sandwell and Company. Report. [Seattle], 1958.
Anonymoous. "Umpqua summer steelhead." Oregon State Game Commission Bulletin 13, no. 7 (1958): p.3, 6-7.
→ ir.library.oregonstate.edu/concern/technical_reports/2227mq68g
1957
Morris, Frank, and W. R. Heath. Coastal Harbors of Oregon and Washington. [Seattle, WA], 1957.
Moore, Jr., James Francis. Geology of the Northeast Quarter of Camas Valley Quadrangle, Douglas County, Oregon. M.S. ed. Corvallis, Or.: Oregon State College, 1957.
→ ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/x920g1524
Harms, James Edward. Geology of the Southeast One-Quarter of the Camas Valley Quadrangle Douglas County, Oregon. M.S. ed. Corvallis, Or.: Oregon State College, 1957.
→ ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/cc08hk94m
Bauer, J. A., and W. O. Saltzman. "Umpqua River." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1957): p.1-20.
→ ir.library.oregonstate.edu/concern/technical_reports/05741x26h
United States. Army. Corps of Engineers. Portland District. Umpqua River and Tributaries, Oregon: Review of Survey Report: Transcript of Public Hearing. [Portland, Or.]: U.S. Army Corps of Engineers, Portland District, 1957.
U.S. Army Corps of Engineers. North Pacific Division. Water resources development by the U.S. Army Corps of Engineers in Oregon. Portland, Or.: United States Army Corps of Engineers, North Pacific Division, 1957.
1956
Rantz, S. E., Hofmann; Walter, and Geological Survey(U.S.). Floods of December 1955-January 1956 in far-western states: peak discharges In Geological Survey Circular. Washington, D.C.: U.S. Geological Survey, 1956.
→ pubs.usgs.gov/circ/1956/0380/report.pdf
Burt, Wayne V.. Hydrography of Oregon estuaries: prior to June 1956 In Data Report (Oregon State College. School of Science). Corvallis, Or.: School of Science, Oregon State College, 1956.
→ ir.library.oregonstate.edu/concern/technical_reports/vm40xs83p
Pitney, W. E., and W. O. Saltzman. "Umpqua River." Oregon State Game Commission, Fishery Division. Annual Report - Fishery Division (1956): p.1-18.
→ ir.library.oregonstate.edu/concern/technical_reports/th83m3608
U.S. Bureau of Reclamation. Umpqua River Basin, Oregon; Special Report (Evaluation). Boise, ID: U.S. Dept. of the Interior, Bureau of Reclamation, 1956.
Anonymoous. "Umpqua River silver salmon increases." Oregon State Game Commission Bulletin 11, no. 1 (1956): p.6.
→ ir.library.oregonstate.edu/concern/technical_reports/rb68xc96x
Westgarth, Warren C., Martin Northcraft, and Oregon. State Water Resources Board. Water quality data inventory In Bulletin (Oregon. State Water Resources Board). [Corvallis, Or.]: Engineering Experiment Station, Oregon State College, 1956.

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