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372 BLACK ROCK LOCK LOOKING SOUTH FROM LOWER GATES shall stop or stand on the bridge at any time. 21. No person shall pass on foot or drive a vehicle past the guard gates at either end of the bridge when they are down or being lowered. Black Rock Lock 22. All vesselo and*boats desiring to ~use the lock shall signal for the same by two. long and two short whistle- blasts. 23. No person in charge of a vessel or boat coming from above shall bring it within 300 feet of the upper lock gates until they are made ready for vessel entrance and he receives direc- tions to enter, from the lockmaster in charge. 24. No person in charge of a vessel or boat coming from below shall bring it within 200 feet of the lower lock gates until they are ready for vessel entrance and he receives directions to enter from the lockmaster in charge. 25. Small vessels or craft, such as row, sail, and motor boats, etc.,. bent on pleasure only, shall not be granted a separate lockage, but will be passed through the lock in company with ves- sels; or together in one lockage on the hour if downbound, and half past the hour if upbound. Vessels and_ other large boats when in the lock shall fas- ten one head-line and one spring line to the snubbing posts on the lock walls, and the lines shall not be cast off until the signal is given by the lockmaster for the boats to leave the lock. 26. Vessels and boats will be passed through the lock in the order of their arrival, except that the representative of the engineer officer may order a small vessel to lock through in com- pany with another vessel, irrespective of the-former's order 'of arrival. 27. All vessels and boats shall be maneuvered with great care so as not to strike any part of the lock walls, or any gate or appurtenance thereto, or machinery for operating the gates, or the walls protecting the lock approaches. They shall be free from _ projecting irons or rough surfaces that would be liable to damage the lock and_ they must be provided with fenders to be used in guarding the lock walls, etc., | from injury. 28. Vessels and boats shall not en- ter or leave until the lock gates are fully in their recesses, and the _lock- master has given directions for starting. 29. Upon each passage through the lock, masters or clerks of all vessels or boats (except small motor boats and October, 1914 pleasure craft) shall report to the lock office, a statement of passengers, freight and such other statistical infor- mation as may be required by the blank forms which are issued to them for the purpose. 30. Trespass on strictly prohibited. Henry Breckenridge, Assistant Secretary of War. War Department, July 3, 1914. lock property is W. R. Grace & Co. have announced rates on lumber from the Atlantic to the Pacific coast through the Panama canal by the Atlantic & Pacific Steam- ship Line. The rates are $13 per 1,000 board feet for 30-foot lengths and less, $14 for lengths from 30 to 40 feet, and $17 for lengths from 40 to 50 feet. The $13 rate represents a reduction of $4 from the rate via the Straits of Ma- gellan. ; The Union Iron Works, San Fran- cisco, Cal., recently launched a huge caisson for use in repair work in the locks of the Panama canal. This struc- ture will be equipped with four vertical shaft, electrically driven, centrifugal pumps with a pumping capacity of 10,- 285,000 feet in 24 hours. This caisson is 113 feet 10 inch in length, 65 feet deep, 36 feet wide and weighs 4,176,327 pounds. The Newport News Ship Building & Dry Dock Co. was the lowest bidder for the construction of two new reve- nue cutters for the government, bid- ding a total of $396,000 for the two vessels, to be completed within ten months. This bid was $49,700 lower than the next lowest. BLACK ROCK LOCK LOOKING TOWARDS NIAGARA RIVER