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The final job in clearing an area in the reservoir was that of moving the merchantable logs to the river bank for rafting to the saw mill. At one time the chief industry in the reservoir area was fruit raising, with many sizable orchards of...
2024-04-26
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Selected material from volume two of: "A History of the Columbia Basin Project: Volume II"
2024-04-26 |
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Columbia Basin Project Safety News is a monthly publication issued to employees of the Columbia Basin Project informing them of accidents, safety regulations, and day to day activities on the Grand Coulee Dam construction site.
2024-06-26
2024-04-26 |
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Columbia Basin Project Safety News is a monthly publication issued to employees of the Columbia Basin Project informing them of accidents, safety regulations, and day to day activities on the Grand Coulee Dam construction site.
2024-07-26
2024-04-26 |
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Columbia Basin Project Safety News is a monthly publication issued to employees of the Columbia Basin Project informing them of accidents, safety regulations, and day to day activities on the Grand Coulee Dam construction site.
2024-01-26
2024-04-26 |
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Here is shown the upper part of the Little Dalles as they appeared before being drowned out by the rising waters of the reservoir. Even now, when the river is at flood stage, a noticeable current remains as far downstream as the foot of these...
2024-04-26
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This is a view of the lower end of the Little Dalles rapids, showing its narrow channel, only 200 feet wide, in comparison to the river farther downstream. Here in the Dalles the water was more than 200 feet deep. This mad rush of swirling water...
2024-04-26
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This is Kettle Falls of the Columbia, 41 miles below the Canadian border and 705 miles from the Pacific Ocean. In the background can be seen a point of the sharp, rock island, around which the river poured in a beautiful cascade of falls. Here...
2024-04-26
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The Bethlehem Steel Co. laid the first closure beam of the C.B.I. trestle on Sept. 09, 1938, the juncture being over mid-river at block 50. The longest beams in this trestle were 97 feet long, 100 inches high, and weighed 38 tons. Upon...
1938-09-09
2024-04-26 |
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Here a steelworker is setting the downstream leg of a trestle tower during the erection of the CBI trestle. As the dam grew, all but the floor sections of both the MWAK and CBI trestles were buried and forever lost.
2024-04-26
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Riggers working on the aggregate conveyor suspension bridge high above the river.
2024-04-26
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Riggers, wearing life jackets, which were mandatory when working over open or swift water. A conscientious safety program to protect the workman from danger or injury was inaugurated by both contractors; providing safety hats for those liable to...
2024-04-26
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A CBI steel diversion gate loaded on a barge in the east forebay undergoing final inspection before being put into service.
2024-04-26
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This is part of the operations in maneuvering the diversion gate and hoist barge into position in front of the slots on the West side. <br> Many large contractors refused to submit bids on the job because of the risk involved in diverting...
2024-04-26
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This is the final step in placing a closure gate. Diversion and care of the river during construction, and unwatering foundations, was bid by MWAK at $3,500,000, but during the CBI contract the task was relatively simple, and bid at only $727,000.
2024-04-26
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This view of Rock Island Dam, some 150 miles downstream from Grand Coulee Dam, shows the fish ladders located at both ends of the dam, and one in the center at the end of the island. The fish trapping and loading devices have not yet been...
2024-04-26
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All artificial spawning of Salmon is conducted at Leavenworth Station, and Koester estimates that they handle on average 40 million eggs each year. One of the most interesting aspects of construction of the fish hatchery was the 2,500 foot rock...
2024-04-26
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This is a view of one of the holding pools constructed along Icicle Creek, where the adult salmon are held until ripe for spawning. Salmon eggs hatch in about 2 1/2 months, depending on the water temperature, and the young remain in the hatching...
2024-04-26
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Late in November, 1939 workers began constructing a 2,500 feet 5 ft. by 7 ft. unlined tunnel from Upper Snow Lake to the Nada lake for fish hatchery operations.
2024-04-26
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Movement of materials to the camp site was commenced in the latter part of October to permit construction of the camp headquarters and make possible the starting of tunnel excavation during the winter months, thus providing storage for the water...
2024-04-26
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Providing a water supply sufficient in quantity and suitable in temperature for proper operation of hatchery, rearing ponds, and holding ponds presented many engineering problems. In their upstream migration, after leaving the salt water of the...
2024-04-26
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Snow and glaciers in the catchment basins here on the headwater of Snow Creek, high in the Cascade Mountains, made this drainage an excellent source of cold-water supply for hatchery operations during the hot summer months. Plans for the control...
2024-04-26
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Constructing the foundations of both powerhouses was a part of the MWAK contract, in which they bid the concrete below the turbine floor at $7.00 per cubic yard and that above the turbine floor at $10.00 per cubic yard. The completion of the left...
2024-04-26
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Here is shown the dam as it appeared in June of 1940, with the river at flood stage, having a flow of 265,000 second feet.
The debris behind the boom in the forebay is material that has drifted downstream from clearing operations in the...
1940-06-01
2024-04-26 |
