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5651 - 5675 of 5942 Items << < 222 223 224 225 226 227 228 229 230 231 > >>
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2024-11-24
2024-11-24 |
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Hatchery building and rearing pond area at the Winthrop station of the fish conservation facilities.
1941-11-18
2024-11-24 |
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Understanding and managing the effects of livestock grazing on stream systems is of particular concern on federal lands throughout the Interior Columbia River Basin. Land managers monitor three short-term indicators of livestock disturbance...
2013-05-01
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Newly constructed section of primary state highway No. 22 which was relocated to higher ground.
1940-03-05
2024-11-24 |
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while Andy and Blackmore completed lining down. It was an especially nice job, taking the boat down that last steep pitch into the big whirlpool and then working her round a huge square-faced rock to a quiet eddy, and I should greatly like to have...
2004-08-09
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300 feet wide and 22 feet deep at low water, where but 19 feet was found before beginning work.
Martin Island Bar.—Work was begun at this bar on November 28 and finished on December 31, when the bend in the channel at the lower end of Martin...
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W.P.A. workmen use 90 horsepower tractors to push over small trees of no merchantable value. They are then cut and burned to clear the reservoir area above the dam.
1939-06-27
2024-11-24 |
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Koehring 4-yard concrete mixer of the tilting drum type. The mixing plant contains 8 of these mixers in two batteries of 4 each.
1938-12-28
2024-11-24 |
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Image Caption: FISHWHEEL AND VILLAGE OF CASCADE LOCKS --page break-- Where fish-wheels are ineffective because of lack of current, salmon are ensnared in fish-traps. These consist of a rectangular, net-lined enclosure of driven piling, called...
2004-07-26
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All-steel closure gates in place at spillway diversion channels Nos. 34, 36, and 38. The gates were placed on the upstream side of the dam only; the bottoms of the diversion channels were above the tailwater elevations, consequently gates were not...
1938-10-13
2024-11-24 |
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Image Caption: UPPER END OF LITTLE DALLES --page break-- tween porphyry walls about thirty feet apart. The prospect looked very promising. I had some of the ore assayed and it ran $85.00 to the ton.
Being influenced by the warnings given me, and...
2004-07-19
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The elevation 1650 level of the Brett Gravel Pit is opened up for the mining of raw aggregate.
1938-05-24
2024-11-24 |
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Dismantling of the westmix concrete plant used by the MWAK Co. Consolidated Builders re-assembled it in a new location on the east side of the river.
1938-04-05
2024-11-24 |
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The notes cover multiple aspects of the development of the Columbia river. Also discussed are the prospects of the Bruce's Eddy and Penny Cliffs Projects
1956-03-26
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Artists rendition of the entire Northwest--including existing dams and those that are proposed/under construction
1960-11-24
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View showing scorings on L-4 turbine shaft caused when packing gland burned out
1944-06-09
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5-yard shovel removing overburden in river channel east of block 40.
1937-03-17
2024-11-24 |
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For description of the project, please see photo 94-0 32.
1964-11-24
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This is a chart displaying Bonneville wholesale rates by small, medium and large power-distributing agency.
2004-06-24
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2005-08-15
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