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results 1-20 of 182 item(s)  page 1 of 10 : ( <<  1  2  3  4  5  6  7  8  9  10  >> ) :: previous : next
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Pacific Northwest Economic Base Study for Power Markets - Fisheries
1. Pacific Northwest Economic Base Study for Power Markets - Fisheries
Annual report / Weyerhaeuser Company 1980
2. Annual report / Weyerhaeuser Company 1980
Annual report / Washington Natural Gas Company 1972
3. Annual report / Washington Natural Gas Company 1972
Annual report / Weyerhaeuser Company 1981
4. Annual report / Weyerhaeuser Company 1981
Concrete ponds used for mussel culture experiments. In the dry pond on the left is shown the method of
5. Concrete ponds used for mussel culture experiments. In the dry pond on the left is shown the method of dividing into smaller units by means of screens. Bridges are shown over the two pondson the right. These furnish shade for the fish and prevent their jumping over the screens as well as serving the purpose of bridges for the operators when seining the fish. Earth ponds and shed-covered troughs appear in the background
Shipping case fof fish eggs
6. Shipping case fof fish eggs
Seine for collecting fingerling bass
7. Seine for collecting fingerling bass
Fish attendant's outfit--aerator screen, plunger, conbined ice pick and scaff net
8. Fish attendant's outfit--aerator screen, plunger, conbined ice pick and scaff net
Fish retainer, with float
9. Fish retainer, with float
Collecting tub, with float
10. Collecting tub, with float
Artificial bass nest (1) Bass fry retaining screen and trap (2)
11. Artificial bass nest (1)
Bass fry retaining screen and trap (2)
Bass bed, to be placed on pond in early spring and filled with gravel
12. Bass bed, to be placed on pond in early spring and filled with gravel
Fry retainer, to be placed around bed just before the fry rise
13. Fry retainer, to be placed around bed just before the fry rise
Plan of Salmon-Breeding Works at Bucksport, Maine (1): Map of Spofford's Brook, Bucksport, Me. (2)
14. Plan of Salmon-Breeding Works at Bucksport, Maine (1): Map of Spofford's Brook, Bucksport, Me. (2)
Interior of Salmon-Hatching House, Bucksport, Me. From Harper's Magazine
15. Interior of Salmon-Hatching House, Bucksport, Me.
From Harper's Magazine
Interior of Spawning-Shed, Bucksport, Maine From Harper's Magazine
16. Interior of Spawning-Shed, Bucksport, Maine
From Harper's Magazine
View of Salmon-Pens and Spawning-Shed, Bucksport, Me. From Harper's Magazine
17. View of Salmon-Pens and Spawning-Shed, Bucksport, Me.
From Harper's Magazine
Dead Brook Inclosure for Atlantic Salmon, Showing Pens
18. Dead Brook Inclosure for Atlantic Salmon, Showing Pens
Columbia-North Pacific Region Comprehensive Framework Study of Water and Related Lands. Appendix XVI:
19. Columbia-North Pacific Region Comprehensive Framework Study of Water and Related Lands. Appendix XVI: Comprehensive Framework Plans.
Fisheries, aquaculture, and the WTO : is the blue revolution worth the costs?
20. Fisheries, aquaculture, and the WTO : is the blue revolution worth the costs?
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