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24 Collin's patches, off Key Vacas...........] Light-house......... Lieut. Commanding Rodgers....] Recommended.
Half way between Cape Florida and Carys-
25 fort reef...---------------------------|---- do------------------ do---------------- do ----- Recommended.
26 | Near Jupiter inlet....-------------------|----do--------------|---. do---------------- do ----- Recommended.
27 | Near Hillsborough inlet..................|.... do--------------|---- do---------------- do ----. Recommended.
28 Looe key-------------------------------|---- do------------------ do---------------- do ----- Recommended.
*WIII || Alabama ....... 29 | Entrance to Mobile bay.................. Seven buoys ........!.... do...---------- Patterson... Recomm'd Aug.20, 1849
30 | Entrance to Mobile bay.................. Five beacons........ - Recomm’d Aug.20, 1849
Mississippi..... 31 || Cat and Ship Island harbors...------------ Nine buoys ------------- Recomm’d Aug.20, 1849
IX | Texas.--------. 32 Aransas pass.--------------------------- Light-boat. --------|---. do-----------. Craven... ... Recomm'd July 17, 1851
33 || Channel of Aransas pass.................. Buoys--------------|---- do------------ ----do ----- Recomm'd July 17, 1851
34 || Off Dollar point-------------------------|--- do---------------|---- do.--------------. do ----- Recomm'd July 17, 1851
X | California.... .. 35 | Rocks in harbor of San Francisco..... ... [ ---- do------------ Alden.----- Recommended July 25
36 || Humboldt harbor, near North spit......... Beacon ---------------- do---------------- do ----- Recommended.

*The beacons and buoys recommended by Lieutenant Commanding Patterson to be placed in this section (VIII) were noticed in the Amnual Reports of 1849
and 1850. As they have not yet been acted on, they are again presented in this Report, (Appendix Nos. 35 and 36.)




Letter of Sears C. Walker, Esq., assistant in the United States coast

survey, to the Superintendent, communicating an arrangement with the president of the Maine Telegraph Company, to determine the difference in longitude of Cambridge and Halifax.


September 23, 1851. * Dear Sir: I enclose you a copy of the letter of H. O. Alden, esq., president of the Main Telegraph Company, to James Eddy, esq., the superintendent of the company. I would suggest that it should be noticed in your annual report to the Secretary of the Treasury.

You will see that I have negotiated for the Coast Survey to have the free use of the line from Cambridge to Calais after 9 p. m., we paying the operators for their time.

Fortunately, the superintendent (Mr. Eddy) was here to-day, in Boston, and I had a personal interview with the president, Mr. Alden, Mr. Eddy, superintendent, and Mr. Saddler, president of the Boston and Portland line. I have also conferred with Mr. J. C. Rowe, chief operator of the Vermont Chemical line, that goes to Cambridge. Mr. Eddy, Mr. Saddler, and Mr. Rowe, have a perfect understanding with each other. The line works now every night from Portland to Halifax. It will only require Mr. Saddler's battery. Add the distance from Cambridge to Portland. Mr. Bond will not need to have any battery except to work the local circuit-say of two cups.

These officers have no doubt of working any good night from Cambridge to Halifax. Mr. Eddy says there will be no need of sending an officer to Calais-he can do all through an operator. You see that so far as our post is concerned, everything is well arranged..

Yours truly,


Superintendent U. S. Coast Survey.

Boston, September 20, 1851. Dear Sir: Allow me to introduce to your acquaintance S. C. Walker, esq., who is an officer of the United States coast survey, and visits Bangor for scientific purposes. Mr. Walker wishes the use of our telegraph line from Portland to Calais, in connexion with the lines from Boston to Halifax, to enable him to make and communicate the results of astronomical observations, &c., &c.; all of which he will betler explain to you.

There being no specific appropriation for such purposes, Mr. Walker, in behalf of science, asks the gratuitous use of our wires at night, and after business hours are closed; he paying such of our operators as are required to be employed by him, a reasonable compensation for their night service.

For the benefit of sciences this is, perhaps, one of those contributions which our company ought not to withhold; hence I have encouraged Mr. Walker, that we will not be behind our neighbors in according to him the privileges he asks. I have therefore referred him to you as fully authorized to act in the premises; and whatever you may do will receive my approbation.

Very truly, yours,
President Maine Telegraph Company.
JAMEs EDDY, Esq., Bangor, Me.,
Sperintendent Maine Telegraph Company.


Letter of the Superintendent of the Coast Survey to the Secretary of the Treasury, communicating the result of an examination by Lieutenant Commanding M. Woodhull, United States nary, into the necessity for certain aids to navigation on the coast of Maine, in accordance with act of Congress, and instructions of the Treasury Department.

Mount Pleasant, July 28, 1851.

SIR: I have the honor to report that the examination into the necessity of a light-house at Narraguagus bay, (between Passamaquoddy bay and the Penobscot river, Maine,) and of buoys at the mouth of the Kennebec river, Maine, required by the act of March 3d, 1851, and the instructions of the department, has been made, and to present the following as the result: The localities have been carefully examined by Lieutenant Commanding Maxwell Woodhull, who has presented all the information necessary to a correct conclusion in regard to the matters. 1. I agree with him in recommending a light-house on the southeastern point of Pond island, the light to be elevated not less than eighty feet above the line of high water, and to show a revolving light. From Petit Menan island light, (on the outer seacoast,) Lieutenant Commanding Woodhull states: “The point of Pond island can be distinctly seen, the range bearing NNE., and gives the course to Pond island. After passing this point, a course due north takes the navigator directly to the mouth of the Narraguagus river, with the light always in sight if in deep water, but shut in if he encroaches too much on the ledges and middle ground, on either side of it.” The light should be erected near the southeastern extremity of the int. It should be, as recommended by Lieutenant Commanding Woodull, of the class of smaller seacoast lights, (third order of lens lights,) elevated sufficiently to show three miles to the seaward of Petit Menan island light, and revolving, to distinguish it from the sea-coast lights on either side of it. The intervals between the full brilliancy of the light and its disappearance should not be greater than a minute. Lieutenant Commanding Woodhull gives the following facts as


bearing upon the usefulness of the light at Pond island, considered as a local light, to which class it essentially belongs:

“Besides the Narraguagus river, there are two others emptying into Narraguagus bay—Mill river, with the town of Huntingdon at its mouth, and East Marsh river. The trade of the towns of Cherryfield and Millbridge, on the Narraguagus river, is very large ; last year they had 400 coasters and other vessels visit them, and receive cargoes. Their trade yearly amounts to 30,000,000 feet of sawed timber, with about 15,000,000 of manufactured lathes. For Huntingdon and “East Marsh,” I have been informed, their trade is about half that amount. On these rivers, besides the luinber trade, a great number of vessels of various classes are built yearly.”

2. I concur also with Lieutenant Commanding Woodhull in recommending that the buoys for White's and Thom's ledges, and Pond Island reef, at the mouth of the Kennebec, appropriated for in the act of March 3d, 1851, be immediately placed.

3. Lieutenant Commanding Woodhull further recommends a fogwhistle to be placed at the light-house at Petit Menan island, (off Narraguagus bay,) and at Monhegan island, (off Penobscot bay,) and remarks upon the inefficiency of the fog-bell at the latter place.

Also a buoy on Thomas' reef, near Thom's ledge, which he considers as imperfect as the other buoys reported upon, and which he states can, with the others, be placed for the sum appropriated for the three mentioned in the act.

“The trade of the different rivers that empty into Penobscot bay is conjointly estimated at about 3,000 vessels yearly, and an average of from three to four steamers daily, eight months of the year. Monhegan light is the entrance light to this bay.”

In these recommendations I concur.

Lieutenant Commanding Woodhull states, that in the opinion of many intelligent navigators on this coast, the lights on “Goose island,” (Penobscot bay,) and on Bear island, (Mount Desert,) should be discontinued, as not merely useless, but dangerous to navigation; in which opinion he concurs. Very respectfully yours,


Superintendent United States Coast Survey. Hon. W. L. Hodge,

Secretary of the Treasury.

APPENDIX No 20. Letter of the Superintendent of the Coast Surrey to the Secretary of the

Treasury, communicating, with his approval, the recommendation of Liewtenant Commanding M. Woodhull, United States navy, assistant in the coast surrey, to place a light-boat on Shovelful shoals. OsSIPEE STATION, NEAR ALFRED, MAINE,

September 1, 1851. Sir: In compliance with the provisions of the act of March 3, 1851, and the instructions of the department, I have the honor to report that the examination of the necessity for a light-boat at “Shovelful shoals," near Chatham, Massachusetts, has been made, and to recommend that a vessel of suitable size, and showing an effective light, should be placed on the southeast extremity of the shoal. I enclose herewith the report of Lieut. Coinmanding Maxwell Woodhull, United States navy, assistant coast survey, by whom this examination has been made, under iny direction, and the sketch which accompanied it, illustrating the points referred to in the report. Very respectfully yours,


Superintendent U. S. Coast Survey. Hon. THOMAS CORWIN,

Secretary of the Treasury.


Woods Hole, August 24, 1851. Sir: Agreeably to your order, I have examined all the particulars concerning the proposed light-boat on “Shovelful shoals,” and am convinced, from my own observation and the opinions of the several pilots and masters of vessels with whom I have conferred on the subject, that a light-boat has long been needed on this shoal, and I therefore recommend its being placed there as soon as possible.

It should be placed on the southeast extremity of the shoal, that being the point where all the courses meet, whether coming from the northward, or from the north, middle, or southern channels of Vineyard sound. It would be a guide to clear the “Handkerchief,” the “Stone Horse,” and “Pollock Rip," and make the passage of “Butler's Hole” always serviceable, while it is now only useful in day-light. It would shorten the run to vessels making a harbor in the “Powder Hole” nineteen miles. If the weather is threatening and foggy, vessels now making the anchorage under the cape have to go round the “Pollock Rip" and the “Great Pound Shoal," then run to the westward of the “Handkerchief," thereby lengthening the distance, and consequently increasing the danger; when, if the light-boat were on the “Shovelful,” the passage between the shoals would be comparatively safe navigation.

I would recommend, in conjunction with this subject, as a new boat is to be built, and the appropriation is abundantly sufficient for the purpose, that it be of larger dimensions, of an improved construction, with a more powerful light, when ready, to be placed on “Pollock Rip," and the one now stationed there be transferred to the “Shovelful,” where it would answer every purpose and be more useful than where it now is. The boat on “Pollock Rip" is too small for the purpose; it is a general complaint that during a blow the light cannot be hoisted sufficiently above the deck to be a certain guide, and in some instances could not be lighted, owing to the motion of the vessel throwing the oil from the lamps. I think a light-boat should be of sufficient capacity to carry the light at all times at the usual elevation, or it becomes of little or no service.

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