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Western Waters Digital Library: the Columbia River Basin

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results 601-620 of 3916 item(s)  page 31 of 196 : ( <<  31  32  33  34  35  36  37  38  39  40  >> ) :: previous : next
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 Image: Title: TGM Subject: Description:
601. pages 250-251 pages 250-251
602. pages 26-27 pages 26-27
603. page 380 page 380
604. Columbia River Jetties Columbia River Jetties Rivers; Jetties; Channels; Engineering & construction; Engineers; 1 p. A letter from W. H. Ballou to the editor of Scientific American discussing statements made by J. F. McIndoe about the south jetty at the mouth of the Columbia River. The letter discusses discrepancies...
605. pages 252-253 pages 252-253
606. pages 28-29 pages 28-29
607. Cascade Locks Cascade Locks Shipping; Locks (Hydraulic engineering); Channels; Navigation; Mountains; 1 p. Article describing the construction of the Cascade Locks on the Columbia River, providing details of the engineering.
608. pages 254-255 pages 254-255
609. pages 30-31 pages 30-31
610. Columbia River Centennial Columbia River Centennial Rivers; Discovery & exploration; Commerce; Indians of North America; Navigation; 2 p. Article detailing the discovery and early exploration of the Columbia River. There is also some focus on the placement and expected future greatness of Astoria.
611. pages 256-257 pages 256-257
612. pages 32-33 pages 32-33
613. page 386 page 386
614. Salmon-Fishing By Machinery On The Columbia River Salmon-Fishing By Machinery On The Columbia River Salmon; Fishing; Fishing & hunting gear; Fishing industry; Fishing boats; Rivers; Cliffs; Mountains; Brief article detailing the use of fishing wheels for catching salmon on the Columbia River. Most of the page is taken up by a drawing of a fishing boat equipped with a fishing wheel. The drawing shows...
615. pages 258-259 pages 258-259
616. pages 34-35 pages 34-35
617. page 387 page 387
618. Pulling the Columbia's Teeth Pulling the Columbia's Teeth Channels; Rivers; Engineering & construction; Civil engineering; Jetties; 1 p. This essay by Walter V. Woehlke describes the history of the decision to build the jetty at the mouth of the Columbia River, and details some of the difficulties faced by engineers due to the forces...
619. pages 260-261 pages 260-261
620. pages 36-37 pages 36-37
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