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act of June 25, 1910, were nearly exhausted when the plant was laid up owing to high water, but operations will again be resumed on funds made available by act of February 27, 1911, as soon as the river recedes to a favorable stage.

On June 5, 1911, the open-river steamer Twin Cities left Lewiston at 1 a. m. with an excursion party, which was transferred to the steamer Bailey Gatzert by the State Portage Railway and reached Portland at 10 p. m. of the same day. So far as known this is the only instance of a one day's water trip from Lewiston to Portland, a distance by river of 390 miles.

Estimate of additional funds required.

Amount that can be profitably expended in fiscal year ending June 30, 1913, for works of improvement and for maintenance...

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APPROPRIATIONS.

Total appropriated to June 13, 1902, including $12,294.41 transferred by act of that date from appropriation for improving Clearwater River, Idaho (see H. Doc. No. 421, 57th Cong., 2d sess.).

Mar. 3, 1905.

Mar. 2, 1907.

Appropriated by State of Washington....

Mar. 3, 1909 (allotted Mar. 30, 1909, and Oct. 7, 1909).

June 25, 1910...

Feb. 27, 1911.

Receipts from sales..

Reverted to Washington State treasury..

$226, 544. 41 25,000.00 10, 000. 00 100, 000. 00 15,000.00 25, 000, 00 15,000.00 825.70

417, 370. 11 15,000.00

Total.......

COMMERCIAL STATISTICS, 1910.

Vessel classification.

American unregistered, licensed, and enrolled river steamers..

Net registered tonnage..

Passengers..

Wheat..

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Other cereals..

Flour....

General merchandise.

Cattle and horses...

Cement and lime..

Miscellaneous.

Total........

Average haul on portion of river under improvement, 80 miles; total average haul on

rivers, 215 miles.

1 Exclusive of the balance unexpended July 1, 1911.
Of this amount $601.41 was returned to the Treasury.
Number of vessels plying river.

TT 7.

IMPROVEMENT OF THE COLUMBIA RIVER AND TRIBUTARIES ABOVE CELILO FALLS TO THE MOUTH OF THE SNAKE RIVER, OREG. AND WASH.

Information concerning this project, with the status of the improvement, is given in the summary of this report.

OPERATIONS DURING THE FISCAL YEAR 1911.

This work being in close connection with the Snake River improvement, the plant is used on either work to the best advantage of the locality. The work was carried on by steamer Umatilla and dredge Wallowa, built by Federal funds, and drill scows Nos. 1, 2, and 3, built in 1907, by funds appropriated by the State of Washington.

Steamer Umatilla began work at Homly Rapids July 10, 1910, removing rock and building wing dams to concentrate the flow of water over the shoal gravel bar, and was removed to Devils Bend Rapids September 20, where drilling and blasting on the numerous reefs and bowlders was commenced. This work was completed, after several interruptions by rising river and ice, in the middle of January, 1911, and the steamer moved to Squally Hook Rapids.

The work accomplished at Devils Bend consisted of the removal of six large reefs and several bowlders, to a depth of 5 feet at extreme low water, making a comparatively straight channel through the rapids 100 feet in width. It is believed this channel will be sufficient for navigation for some time to come.

Drilling and blasting was carried on at Squally Hook Rapids until the middle of March, when high water stopped operations and the steamer taken to Snake River for work there. The Umatilla was also used to make trips of inspection, for towing scows into position for work, and for raking blasted rock from channels at Umatilla, Homly, and Devils Bend Rapids.

The self-propelling dredge Wallowa was brought from Snake River February 1, 1911, and worked at John Day Rapids until the middle of March, when the rising river stopped drilling and blasting operations. The shoalest part of John Day rock was removed to a depth of 5 feet at low water, and it is believed that additional work on this rock will not be necessary until other rapids are further improved.

Drill scow No. 1 worked the entire season at upper Umatilla Rapids, drilling and blasting the reefs to widen and straighten the channel, until high water in March stopped operations. This channel will require considerable more work to entirely clear it of obstruc

tions.

Drill scow No. 2 was moved from Snake River about February 1 to Canoe Encampment Rapids on the Columbia River. Several reefs were removed, but the channel was not cleared of such obstructions before the rising river in March compelled suspension of operations.

Drill scow No. 3, wrecked by ice jam on Snake River in 1909, was hauled out in September and repaired, and new equipment purchased. It began work in October at Homly Rapids, blasting the numerous bowlders on the gravel bar. About 185 bowlders have been removed to a depth of 4 to 6 feet at low water. Operations were suspended in March, owing to high water, and the scow laid up.

The channel at Homly Rapids now has a depth of about 4 feet at low water to a width of about 100 feet, where formerly it was impassable at a low-water stage for boats of any size. It is thought another season's work will make the channel ample for present demands of navigation.

The past season has been favorable for the progress of the work. The river was low early in September and remained at a low stage until the middle of March. In November and December small freshets interfered somewhat with the work. In January, about one week's work was lost on account of floating ice. The river reached its lowest stage in February, the Umatilla gauge then reading 0.3 above zero, which is the lowest recorded for several years. Following is a summary of the work done at each locality:

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Total expenditures for the above work was $49,522.41.

With the unexpended balance from amount appropriated by act of June 25, 1910, and the $25,000 appropriated by act of February 27, 1911, it is believed that the channel can be greatly improved during the next fiscal year.

Preparations are now in progress for resumption of operations as soon as the river falls to a favorable stage.

Estimate of additional funds required.

Amount that can be profitably expended in fiscal year ending June 30, 1913, for works of improvement...

1 $30,000

APPROPRIATIONS.

Appropriated prior to adoption of present project.

Mar. 2, 1907.

Appropriated by State of Washington.

June 25, 1910..

Feb. 27, 1911..

Total......

COMMERCIAL STATISTICS, 1910.

Vessel classification.

American, unregistered, licensed, and enrolled river steamers.

Net registered tonnage.

Passengers..

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1 Exclusive of the balance unexpended July 1, 1911.
2 Number of vessels plying the river.

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Average haul on portion of river under improvement, 123 miles; total average haul on river, 200 miles.

TT 8.

IMPROVEMENT OF COLUMBIA RIVER BETWEEN THE FOOT OF THE DALLES RAPIDS AND THE HEAD OF CELILO FALLS, OREG. AND WASH.

Information regarding the details of this work and the status of the project will be found in the summary of this report.

OPERATIONS DURING THE FISCAL YEAR 1911.

Operations in connection with the construction of the canal were continued under contract with Messrs. Caughren, Winters, Smith & Co., dated September 18, 1908, to complete about 14,000 feet of canal (from stations 283 to 427 of canal center line), except the concrete lining of the canal section, in permeable material. Active operations were carried on throughout the year, except when interrupted by high water.

The following is a detailed statement of the work performed by them during the fiscal year:

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Contractors finished all work under their contract on May 1, 1911, and the progress since the beginning is shown by the following table:

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Contractor Robert Wakefield, under contract dated October 14, 1909, for removing rock from submerged reefs and main shore of Columbia River near the canal entrance at Big Eddy, resumed work on September 13, 1910, and on account of an unfavorable season was unable to complete his contract and suspended work for the season April 26, 1911, on account of high water. The contract period expired May 1, 1911, but an extension of time was granted for a reasonable period. On account of the small amount of work yet to be done it is expected that the contractor will have no difficulty in completing the work during the next low-water season.

The following table shows the progress of the work:

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Under authority of the Chief of Engineers, dated June 7, 1910, work has been carried on by hired labor at various points along the canal line between stations 0 and 376 of canal center line. The work was begun at west end of canal on a small scale and gradually extended eastward, being so arranged as to facilitate simultaneous completion of all parts of the work and to minimize interference with work by freshets of Columbia River.

The past year has been devoted largely to the preliminary work of construction of camp, shop, and storehouse buildings, and purchase, assembly, and erection of plant, with result that although expenses for the year have been heavy the work is now well organized and equipped to obtain good results, and leave with very little additional expense, other than that already incurred, all dwellings, storehouses, shops, and plant necessary for the maintenance and operation of the completed canal. There are now complete three well-equipped

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