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From John Cobb field notebook: Getting the fishing boats ready at P.H.J. 1917
2018-01-17
On verso of image: Fertilizing salmon eggs as extruded from female. Salmon hatcheries.

In Folder F116
2018-01-17
From John Cobb field notebook:Gill net boats at N.C., Nushagak. 1917.

Possibly the Alaska Packers Association cannery at Clark Point.
2018-01-17
Correspondence from Donald S. Farner to J. P. Leavitt; The second memorandum is entitled: A study collection of zoological specimens of Crater Lake National Park
2018-01-17
2008-08-19
2009-01-07
"Phytoplankton production in lake ecosystems is frequently controlled by amounts of nitrogen and phosphorus (Smith 1982, Elser et al. 1990), as well as minor- and micro-nutrients (Wurtsbaugh & Horne 1983, Wurtsbaugh 1988, Lovstad & Bjorndalen...
1997-01-01
We constructed a simulation model for Redfish Lake, Idaho, using water budget and nutrient loading measurements, to predict the dependence of lake production on nutrients from the watershed, precipitation, lake fertilization, and marine-derived...
1998-01-01
Chinook migrants in dividing box at end of Rock Island branch of Dryden ditch on the Wenatchee River
1940-07-21
Chinook migrants in dividing box near the end of Dryden Ditch
1940-07-14
Hauling 38 1/2 inch female chinook salmon from pool below Sunbeam Dam with gaff Fish had been hooked by snagging
1941-07-06
Rock Island Dam
1938-11-30
Chinook jumping rock left of middle ladder at the Rock Island Dam
1939-07-31
Chinooks in brail at Rock Island Dam
1938-11-30
Temporary fish ladder on the Oregon side of the Bonneville Dam
There is a salmon in air at left side of jump
1937-06-17
Typical stretch of lower Grays River with splashes from dog salmon
1936-11-10
Archie Anderson is stunning chinooks with blow on heads before collecting eggs and milt at the Middle Santiam Hatchery; 1940-09-25 Photograph from Album 1 page 48
2018-01-17
2003-01-01
Photo shows Archie Anderson and an assistant obtaining eggs from gravid chinook salmon by slitting belly at the salmon hatchery on the Middle Fork of the Santiam River near Foster, Oregon; 1940-09-25
2018-01-17
2003-01-01
Chinook salmon at the foot of Abiqua Dam located near Silverton, Oregon; 1940-09-08
2018-01-17
2003-01-01
Chinook salmon in the Clackamas River; 1938-06-28
2018-01-17
2003-01-01
The Robert J. Behnke Papers include a vast array of created and collected material representing his many years as a consultant with experts, students and interested parties on his specialty of studying the trout and salmonid...

A high-priority research issue identified by the Arctic-Yukon-Kuskokwim (AYK) Sustainable Salmon Initiative (SSI) is to determine whether the ocean environment is a more important cause of variation in the abundance of AYK Pacific salmon...
2010-11-30
2010-11-30
2010-11-01
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