Statement of commerce passing the locks on Green and Barren Rivers during the calendar year 1915.

8. OPERATING AND CARE OF LOCK AND DAM ON ROUGH RIVER, KY.

The work is being carried on by hired labor with Government plant. The subproject for the operation and care of this lock and its appurtenant structures for the fiscal year ending June 30, 1916, approved July 14, 1915, provided as follows:

It is proposed to operate the lock and maintain it and the dam in good condition, make such ordinary current repairs to other existing structures thereat as may from time to time become necessary to properly preserve and care for the Government property; it is also proposed to remove the snags and other obstructions brought into the pools by the varying stages of the river.

The lock was open to traffic 303 days during the year and closed 62 days on account of high water, during which traffic passed over the dam. During the year the operating irons, gauges, snubbing posts,. and rowboat were painted, the roof of the lockman's dwelling reshingled, fences and outbuildings repaired and whitewashed, and mud and drift removed from lock walls, cribs, approaches, etc.

The description of operations, etc., in this report is taken from the report of W. S. Overstreet, master, who had local supervision of the work throughout the year.

Summary of net expenditures on account of operating and care of lock and dam on Rough River, Ky., fiscal year 1916, showing general items and amount expended under each heading.

Net expenditures for operating and care of Lock and Dam No. 1,
Rough River, Ky., from the permanent indefinite appropriation.
Fiscal year.

Statement of traffic and commerce passing Lock No. 1, Rough River, Ky., during the calendar year 1915.

IMPROVEMENT OF RIVERS AND HARBORS IN THE SECOND CINCINNATI, OHIO, DISTRICT.

REPORT OF MAJ. ROBERT R. RALSTON, CORPS OF ENGINEERS.

FOR DESCRIPTION OF IMPROVEMENTS IN THIS DISTRICT SEE PAGES 1256 To 1268.

1. OPERATING AND CARE OF LOCKS AND DAMS ON MUSKINGUM RIVER, OHIO.

Lock No. 1 was submerged 25 days and Lock No. 2 three days. There was no suspension of navigation at any of the other locks. The following repair work, in addition to the ordinary work incident to the operation of the slack-water system, was done during the year, and, unless otherwise specified, was accomplished by hired labor with Government plant:

LOCKS AND DAMS.

Lock and Dam No. 1.-Under contract with G. T. Fogle & Co., dated November 2, 1915, reconstructing, in concrete, 47 linear feet of the lower end and raising 90 linear feet of the upper end of the right abutment of dam was completed June 24, 1916. The following is a statement of the work accomplished:

Relaid about 750 square feet concrete walk and regraded the ground of the reservation at lock at cost of $18 for material and $35.63 for labor. Kept the middle and lower gates of lock in serviceable condition by replacing bonnet pins, parts of decayed and worthless timber and sheathing, and strengthening the gates with clamps and braces. Entire reconstruction of both gates being deemed necessary, repair work was discontinued; the timber received for making repairs is available for the reconstruction.

Cost:

Material.
Labor__

$298.21 259.00

Minor work was for repair of a porch of the lockman's dwelling at a cost of $2.10 for labor and $13.66 for material, and for handling 209 steel sheet piling for transfer to Kentucky River at a cost of $6.84 for material and $148.89 for labor.

Lock and Dam No. 2.-Under contract with G. T. Fogle & Co., dated May 7, 1915, for reconstructing, in concrete, the top of Dam No. 2, about 51 per cent of the contract, or 301 linear feet of the concrete reconstruction, was completed. Work was suspended November 27, 1915, and resumed June 27, 1916, by assembling plant and commencing the construction of a cofferdam along the back of the dam. The contractor was delayed because of unfavorable weather conditions. The following is a statement of the work accomplished:

Recovered from old dam 79 pieces serviceable timber for use on other work and destroyed 387 pieces unserviceable timber and refilled washout in dam at cost of $75.90 for material and $36.50 for labor.

Lock and Dam No. 3.-Completed reconstruction of a storehouse, 15 feet 4 inches by 24 feet, with concrete blocks for the exterior walls, at cost of $6.16 for material and $81.60 for labor. Replaced five unserviceable arms and 10 blocks in the lower gate of lock at cost of $137.50 for labor. Repaired 60 linear feet cribwork and sheathing of the lower apron of dam at cost of $149.60 for material and $113.85 for labor; completion was delayed on account of lack of material and unfavorable weather conditions. Minor repairs consisted of replacing four decayed arms, six blocks and sheathing of the upper gate of lock at cost of $60.10 for labor, and repairing concrete walk between street and lock and repainting storehouse and lock master's dwelling at cost of $13.66 for material and $19.36 for labor.

Lock and Dam No. 4.-Under contract with Clifton Bros., dated October 16, 1915, for reconstructing, in concrete the top of spillway of