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DISCUSSION

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48. Winchester Bay, though not an important coastal fishing port at the present time, is well located with respect to one of the best fishing areas off the north Pacific coast and has excellent highway connections leading into the interior and to railhead points along the coast. These features, together with existing fish processing facilities in the bay, indicate definite potentialities for development of a large fishing industry in the area. With the completion of the present authorized project, providing entrance channel and mooring basin depths of 10 feet, a good share of these potentialities will be realized. However, due to the present trend in coastal fishing toward the use of larger craft with deeper drafts, full realization of the possibilities at Winchester Bay would probably not be obtained under the present authorized project. Provision of an additional 2 feet of depth in the entrance channel and mooring basin at Winchester Bay, as requested by local interests, will insure its use by nearly all types of fishing vessels.

49. The recommended improvement of Winchester Bay, which meets all requirements of local interests, would provide a channel 100 feet wide and 12 feet deep from the main channel in the Umpqua River to the vicinity of the landings in the bay, with a mooring and turning basin at its inner end 12 feet deep, 175 feet wide, and 300 feet long Plans of the Port of Umpqua Commission provide for the construction of suitable terminal facilities in the bay in connection with the proposed work, in addition to other measures of local cooperation.

50. In view of the fact that the port plans to expend at least $10,000 in the construction of dock and mooring facilities in Winchester Bay, it appears that the provision of the existing project requiring a cash contribution of $10,000 should be rescinded.

51. Benefits to be derived from the recommended improvement result from savings in operating costs to deeper draft fishing vessels using the bay, additional benefits from increased catches, and intangible community benefits, estimated to total $20,500 annually. Annual charges, including interest, amortization, and maintenance of the work, amount to $14,900 per year.

The ratio of annual benefits to annual costs of the proposed improvement is 1.38 to 1. The maintenance costs tabulated in the foregoing paragraphs 34, 35, 36, and 47 include heavy mobilization and demobilization charges, which constitute the greater portion of the total costs shown. If the maintenance work in Winchester Bay could be performed in conjunction with maintenance dredging, which is done at intervals in the main ship channel in Umpqua River, the costs would be reduced materially as a part of the mobilization and demobilization charges included in the estimate would be absorbed by the larger project. For the purpose of determining the economic justification of the Winchester Bay project, however, no reduction in maintenance costs have been made. It is believed that local interests should be required to maintain project depths in the mooring basin, which includes the area lying adjacent to and between the existing privately owned dock and the public landing. (See accompanying map.)

52. Coordination with other agencies.-All interested Federal, State. and local agencies have been informed of the nature of the recommended improvement and afforded an opportunity to present their views. Statements have been received from the United States Coast Guard and the Port of Umpqua Commission, as indicated previously. The regional supervisor of river basin studies of the United States Fish and Wildlife Service in a report issued in January 1947 concurs in the proposed plan of improvement but recommends that prior to commencement of dredging operations in Winchester Bay that the Corps of Engineers consult with the Oregon Fish Commission and the United States Fish and Wildlife Service in order that the dredged material be disposed of in a manner which would not be inimicaÌ to bottom organisms of the region. The Oregon Fish and Game Commissions have approved the report of the United States Fish and Wildlife Service

CONCLUSION

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53. In view of the anticipated further use of Winchester Bay and attendant savings in costs which would be made possible by the provision of increased depths, it is the opinion of the district engineer that further modification of the existing project, as outlined herein, is warranted.

54. Modification of the existing project, Umpqua River, Oreg., to include improvement of Winchester Bay as authorized by the River and Harbor Act of March 2, 1945, would, on the basis of present prices, cost the United States $53,000. A contribution of $10,000 to the first cost was required of the State or other local interests. The total Federal cost of the proposed 12-foot project, estimated on the basis of present prices, would amount to $87,500. No cash contribution by local interests is now considered necessary in view of the offer of the port of Umpqua to furnish substantial mooring facilities in addition to compliance with other requirements of local cooperation. The increased Federal cost for the deeper project over the Federal cost of improvement under the existing project is $34,500. As all the work involved may be completed in a single working season, the full amount of funds necessary to cover all Federal costs should be included in a single allotment.

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RECOMMENDATION

55. It is, therefore, recommended that the existing project for Umpqua River, Oreg., be modified to provide for an entrance channel to Winchester Bay 100 feet wide and 12 feet deep at mean lower low water and for initial dredging in the bay of a mooring and turning basin 175 feet by 300 feet and 12 feet deep, generally in accordance with the plans herewith, all at an estimated additional cost to the United States of $34,500 for new work and $500 annually for additional maintenance; provided, that local interests furnish, free of cost to the United States, all lands, easements, and rights-of-way, including spoil-disposal areas, necessary for initial work and subsequent maintenance, and hold and save the United States free from all claims and damages which might result from execution of the improvement; and provided further, that in lieu of the initial concontribution of $10,000 previously required, local interests furnish assurance satisfactory to the Secretary of War that they will construct, maintain, and operate, without profit, necessary public terminal and

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mooring facilities within the basin, together with essential utilities and supply facilities, which shall be open to all on equal and equitable terms, and that they will maintain project depths within the basin, upon completion, at their own expense.

0. E. WALSH, Colonel, Corps of Engineers,

District Engineer. (First endorsement) OFFICE, DIVISION ENGINEER,

NORTH PACIFIC DIVISION,

Portland, Oreg., April 21, 1947.
To: The Chief of Engineers, United States Army.
I concur in the views and recommendations of the district engineer.

THERON D. WEAVER,
Colonel, Corps of Engineers,

Division Engineer.
O

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