Amount appropriated by act of July 11, 1870.. Amount expended during fiscal year ending June 30, 1871. (See Appendix 6.) 5. Penobscot River, Maine.-This river is obstructed in its navigation by several bars and ledges at Bangor and below. These bars are for the most part composed of slabs, edgings, and sawdust, which have been thrown into the river for the last fifty years from the saw-mills at Bangor and above. The ledges obstructing it are in the channel at Bangor, and are known as "Independence Rock," "Steamboat Ledge," "Gulliver's Rock," &c. In order to render the navigation of this river safe and practicable at all stages of the water, the officer in charge recommends that a channel be excavated down to the natural bed of the river above Low's Ledge, where it ranges in depth from 9 to 12 feet, and below Low's Ledge through the slabs and edgings to a depth of 12 feet, at low water in the lowest stages of the river. The work done up to the 30th of June, 1871, consists in the excavation of portions of "Independence Rock" and "Steamboat Ledge," in all about 480 tons. A contract was made for opening a channel to the contemplated depth and to a width of about 200 feet, through the obstructions in three localities where most necessary at and below Bangor. Work was commenced under this contract on the 19th of June. Amount appropriated by act of July 11, 1870 Amount expended during fiscal year ending June 30, 1871. Amount required for fiscal year ending June 30, 1873 .. (See Appendix 7.) $15,000 00 50,000 00 7,559 37 57, 440 63 50, 000 00 6. Kennebec River, Maine.-The plan in progress for the improvement of this river consists in straightening and deepening its channel by dredging through the several shoals and the removal of several ledges, and numerous boulders which obstruct it between Richmond and Augusta, Maine. The width of the channel is to be 100 feet, (the sides having a slope of 2 feet to 1 foot rise,) and a depth of seven feet up to Hallowell, and 63 feet thence to Augusta, at low tide, in its lowest stages. On the 30th of June, 1870, the channel had been opened to the required depth through Shepherd's Point Shoal, Hallowell Shoal, and Britt's Shoal, to a width of not less than 75 feet, and through Gage's Shoal (at Augusta) to an average width of 45 feet, and about 50 large boulders had been removed from the bed of the river. During the fiscal year ending June 30, 1871, the following work has been done in the improvement of this river, viz: the channel through Gage's Shoal and Britt's Shoal has been increased and completed to the required width of 100 feet, and a depth of 6 feet in the lowest stages of the river. A channel has been excavated through Hinckley's Shoal (between Gardiner and Hallowell) to a width of 100 feet and a depth of 7 feet in the lowest stage of the river, and work commenced under a contract for increasing to a width of 100 feet the channel heretofore dredged through Shepherd's Point Shoal and Hallowell Shoal, with a probability of its completion this autumn. About fifty large boulders have also been removed from the bed of the river. This will complete all the contemplated improvements above Gardiner, Maine, and no further appropri ation is required therefor. The appropriation of $5,000 made by act of March 3, 1871, for improving the river between Richmond and Gardiner is to be applied to the removal of the ledge near Nehumkeg Island, and to opening a channel 100 feet wide and 10 feet deep at low water through the upper sand bar, and proposals have been invited for doing the work by contract. Amount on hand July 1, 1871.... Amount appropriated by act of July 11, 1870... 8668 84 15,000 00 Amount appropriated by act of March 3, 1871, (which includes Amount required for fiscal year ending June 30, 1873, (for (See Appendix V 8.) 14,740 03 8,000 00 7. "Gut" near Bath, Maine.—The amount expended has been applied to the removal of Boiler Rock to a depth of 10 feet, and Boiler Rock Ledge to a depth of 9 feet at mean low water, the removal of two wrecks (of about 100 and 200 tons respectively) from the main channel above the "Gut," dredging a channel through the bar above the "Gut" to a depth of 10 feet below mean low water and 100 feet in width, and to placing several buoys to mark the channels thus opened and improved. The balance on hand is deemed sufficient to complete all the work contemplated for the improvement of this place. Amount appropriated by act of July 11, 1870... Amount appropriated by act of March 3, 1871. Amount expended during fiscal year ending June 30, 1871.. 13,562 47 Amount available July 1, 1871. No further appropriation is required. $10,000 00 6,500 00 2,937 53 8. Royals River, Maine.-The navigation of this river is obstructed by bars and rocks between its mouth and Yarmouth. The estimated amount required for making the contemplated improvement is $35,000; amount appropriated therefor by act of March 3, 1871, $10,000. It having been decided to apply the amount appropriated to the opening of a channel through Gravel Point Bar, near Yarmouth, proposals were invited for the work, and a contract was made for commencing the work on or before the 1st of July and completing it on or before the 15th of November, 1871. Amount appropriated by act of March 3, 1871. Amount required for fiscal year ending June 30, 1873 .... (See Appendix V 10 and V 11.) $10,000 00 181 77 9, 818 23 25,000 00 9. Portland Harbor, Maine.-The progress made in the improvement of this harbor up to the 30th of June, 1870, consisted in the completion of the breakwater to an extent of 7333 linear feet; the excavation of a channel to a depth of 20 feet at mean low water, through the "spit above and near middle ground," and in excavating a channel through the "Middle Ground Bar” to a depth of not less than 20 feet at mean low water, (or 294 feet at mean high water,) and to an average width of 250 feet. The amount expended during the year has been applied to the excavation of the channel through the "Middle Ground Bar," whereby it was opened to an average width of 300 feet. To complete the contemplated improvements there remains the extension of the breakwater for about 190 linear feet, and the increase of the channel through the "Middle Ground Bar" to a width of 500 feet. The additional amount required for the completion of these improvements is Amount on hand July 1, 1870 Amount appropriated by act of July 11, 1870 Amount appropriated by act of March 3, 1871. Amount expended during fiscal year ending June 30, 1871. Amount required for fiscal year ending June 30, 1873 (See Appendix V 12.) $45, 000, 00 7,646 37 10, 000 00 40,000 00 17,997 29 39, 649 08 45,000 00 10. Saco River, Maine. The progress made in the improvement of the navigation of this river up to the 30th of June, 1870, consisted in the partial construction of the breakwater at its mouth for an extent of 4.200 feet out from the shore, and in the removal of all the sunken rocks from its channel near Little Islands. The amount expended during the year has been applied to increasing the breakwater in height and thickness, about 8,000 tons having been added to it. About 4,000 tons more will be required to complete this work to its required height and thickness, which will be finished this year. Additional amount required for completing all the proposed improvements in this river, $16,000, which amount could be profitably expended thereon during the next fiscal year. Amount on hand July 1, 1870.... Amount appropriated by act of July 11, 1870 Amount expended during fiscal year ending June 30, 1871. Amount required during fiscal year ending June 30, 1873. (See Appendix V 13.) $736 80 10, 000 00 15,000 00 13, 825 88 11, 910 92 16,000 00 11. Kennebunk River, Maine.-The work contemplated for the improvement of this river embraces the extension and repair of the stone piers at its mouth, and the repair of the Government wharf near its mouth. The amount expended during the year has been applied to the completion, by contract, of the extension of the eastern pier for a length of 168 feet, and the partial repair of the wharf and old piers. A contract has also been made for the extension of the western pier, which will be completed this year. The funds now available for the proposed improvements of this river will be sufficient for their completion. Amount appropriated by act of July 11, 1870.... $5,000 00 5,000 00 Amount expended during fiscal year ending June 30, 1871. $4,991 16 .Amount available July 1, 1871 (See Appendix V 14.) 5,008 84 12. Cocheco River, New Hampshire.-The improvement of the navigation of this river consists in the excavation of a channel through the ledges, boulders, and bars, between the town of Dover and the "Lower Narrows," (which are about one mile below,) so as to have depth enough for vessels drawing 9 feet of water, at ordinary high water. The sum of $10,000 appropriated by act of March 3, 1871, is applied to opening a channel through the "Lower Narrows" to a width of 75 feet, and a depth of 4 feet below mean low water; and to the removal of boulders above and below the "Lower Narrows." A contract has been made for excavating the channel through the "Lower Narrows" for the sum of $7,000, to be completed on or before the 31st of October, 1871, and it is probable that it will be completed about the last of September. Additional amount required for completing the proposed improvements of this river... Amount appropriated by act of March 3, 1871. Amount expended during the fiscal year ending June 30, 1871 ... Amount available July 1, 1871 Amount required for fiscal year ending June 30, 1873.... (See Appendixes V 15 and V 16.) $35,000 00 10,000 00 125 67 9,874 33 35,000 00 13. Merrimac River, Massachusetts.-The improvements originally contemplated for this river are as follows, viz: 1. The removal of obstructions at the Upper and Lower Falls, above Haverhill, Massachusetts; 2. The removal of Gangway Rocks and "The Boilers," in the harbor of Newburyport, Massachusetts; and 3. The removal of the wreck of a coal-vessel sunk at the mouth of the river, near Newburyport light. The amount expended during the year was applied by General Foster to the removal of the wreck and Gangway Rock, and the partial removal of North Gangway Rock, all in Newburyport Harbor; also to the removal of about 475 cubic yards of material from the channel through the Lower Falls, above Haverhill, Massachusetts. By these operations the appropriation of July 11, 1870, was nearly exhausted. Under the appropriation made by act of March 3, 1871, (which by the act is required to be applied to the improvements above Haverhill,) a contract has been made for excavating a channel through the Lower and Upper Falls, to the extent allowed by the appropriation now available. The estimated cost of the work to be done for completing the improvements, as heretofore contemplated, in addition to the amount available July 1, 1871, is as follows, viz: 1st. For the removal of the ledges in the harbor of Newburyport, Massachusetts 2d. Improving the Upper and Lower Falls, as heretofore contemplated Total..... $20,000'00 120,000 00 140,000 00 Of this amount the sum of $45,000 could be profitably expended during the next fiscal year in the removal of the sunken ledges in the harbor of Newburyport, Massachusetts, and in the completion of the channel through the Lower Falls, above Haverhill, Massachusetts. Amount appropriated by act of July 11, 1870..... Amount appropriated by act of March 3, 1871 Amount expended during the fiscal year ending June 30, 1871..... Amount available July 1, 1871 Amount required for the fiscal year ending June 30, 1873. (See Appendix V 18.) $25,000 00 25, 000 00 24, 996 34 25,003 66 45, 000 00 14. Gloucester Harbor, Massachusetts.-A survey of this harbor was made in the autumn of 1870, under the direction of Lieutenant Colonel John G. Foster, Corps of Engineers, from which it appears that there are several ledges which should be removed, the estimated cost of which is $10,000; and that a breakwater connecting Dog Bar and Round Shoals with the "Point," so as to afford a much-desired shelter for commerce, would probably cost about $500,000. For Colonel Foster's report see Appendix V 19. 15. Boston Harbor, Massachusetts.-The following works contemplated for the preservation and improvement of this harbor, remaining unfinished on the first of July, 1870, were, viz: 1. Sea-wall for the preservation and protection of Point Allerton. 2. Sea-wall for the protection and preservation of Gallop's Island. 3. Sea-wall for the protection and preservation of North Head of Long Island. 4. The removal of Kelley's Ledge. 5. Dredging the channel through the "Upper Middle Bar." The progress made during the past year upon these works is as follows, viz: 1. Sea-wall on Point Allerton was commenced in September, 1870, and carried on under contract until the first of June, 1871, and by hired labor during the latter part of that month. The contemplated length of this wall is 1,230 linear feet. Of the wall proper, an average of about 440 linear feet was completed during the year, leaving to be completed about 790 linear feet of wall, together with a part of the back filling, all the granite paving, and the grading of the bluff in its rear. 2. Sea-wall on Gallop's Island.-Its construction by a contract was commenced in 1868 and continued in 1869 and 1870; and in October, 1870, the wall proper was completed-its total length being 1,745 feet. On the first of July, 1871, this work was all completed with the exception of about 1,136 superficial yards of granite paving and a greater part of the grading of the high bluff in its rear, with a probability of the completion early this autumn. 3. Sea-wall on the North Head of Long Island. The construction of this work was commenced under contract, in August, 1870, and so continned until the 1st of June, 1871, and afterward by hired labor. The length of this wall as projected is 2,100 feet. Of the wall proper an average of about 670 linear feet has been completed during the past year, leaving about 1,430 feet to be built, as well as all the granite paving and the greater part of the back filling and grading. 4. Removal of Kelley's Ledge.-The removal of this dangerous rock from the main ship-channel to a depth of 23 feet below mean low water was resumed and nearly completed in the latter part of 1870, leaving |