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APPENDIX No. 15.

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Table showing the results of craminations for sites of light-houses, beacons, buoys, &c., referred to the Superintendent of the Coast
Surrey by the Secretary of the Treasury, in accordance with acts of Congress.
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Section. State. No. Special locality. Object recommended. By whom examined. Reportof superintend’nt.
I | Maine 1 } White's and Thom's ledges............... Buoys.------------ Lieut. Comm'gWoodhull.....] Recommended July 28
---- - - - - - Pond Island reef, mouth of Kennebec.----|-- do...--------------|------ do.----------- do...----| Recommended July 28
2 | Pond island, Narraguagus bay............. Light-house --------|-----. do------------ do----- Recommended July 28
Massachusetts...| 3 | Shovelful shoals, near Chatham........... Light-boat ---------|------ do------------ do----- Recommended Sept. 1
4 || Channel to Commercial point and Wepon-
set river ----------------------------- Buoys ------------- Lieutenant McBlair........ Recommended April 29
5 Holmes's Hole, Martha's Vineyard........ Bug-lights----------|------ do.----- do----------- Recommended July 19
6 Fawn bar...----...----. Boston harbor.... Beacon ------------|------ do------ do----------- Recommended April 29
7 | Harding's ledge and the Graves, do........ Spindles, with cones........ do------ do----------- Recommended April 29
Rhode Island...| 8 || Off Brenton's reef, Narragansett bay...... Light-boat.---------|-----. do.----. do----------- Recommended April 29
II | Connecticut.---| 9 || Peafield reef, off Black rock.............. Can-buoys --------. Lieuts. Jenkins and Woodhull. Recommended June 13
New York...... 10 | Flynn's knoll, Sandy Hook................ Light-house -------- Light-house Board ......... Not recommended.
11 || Northern extremity of Gardiner's island.......... do------------ Lieuts. Jenkins and Woodhull. Recommended June 13
12 | Sand spit in Sag Harbor.................. Beacon.----------- ----do. --- do-------- do.....! Recommended June 13
13 | Fort Hamilton.........----------------. Beacons ----------- ----do---- do-------- do.....! Recommended June 13
14 | Fire Island inlet, Long Island............ Spar-buoys ---------|---------------------------- Recommended April 29
New Jersey ----| 17 | Newark light-house...................... Fog-bell.----. ..... Lieuts. Jenkins and Woodhull. Recommended June 13
Passaic river, near---------------------- Spar-buoys......... ----do---- do-------- do..... Already placed.
Passaic river --------------------------- Beacon ------------ ----do---- do-------- do.....! Recommended June 13
Mill Rock------------------------------ Buoy -------------- ---- do---- do. ------- do.....| Already placed.
Elizabethtown point..................... Beacon -----------. ...-do---- do-------- do.. Recommended June 13
Maryland ------| 15 Fishing battery, Chesapeake bay.----..... Light-house ........ Lieutenant Almy.----...--- Recommended Nov. 20
16 | Bodkin shoal, Patapsco river. .....-------|-----. do---------------------------------------- Recommended April 29
IV North Carolina...] 19 || Middle Ground shoal, Beaufort harbor..... Buoy -------------- Lieut. Commanding Jenkins... Recommended April 29
20 | Beacon island--------------------------| Light-house --------|------ do...... . . . . Maffit.... Ex'n made, but report
not received Nov.28,
21 1 Ocracoke channel..... --------...------- Light-boat.---- - - - - - - - - - - - do------------ do. -
22 | Diamond shoal, off Cape Hatteras......... Buoy --------------|------ do---------- Jenkins..! Recommended April 29

STATEMENT—Continued.

Section. State. No. Special locality. Object recommended. By whom examined. Report of superintend’nt.
IV North Carolina...] 23 Outer shoal, off Cape Hatteras............ Floating bell beacon. Lieut. Commanding Jenkins-- Recommended April 29
24 | Upper jettee, Cape Fear river............ Light-house --------|------ do---------- Maffitt...! Recommended Oct. 15
VI | Florida ........ 25 || Mosquito inlet, near Mount Pleasant....... Buoys -------------|------ do Rodgers... Recommended Oct. 1

IX l Texas ......... 29 || Aransas pass, near South breakers........ Light-house --------|------ do Craven . . . Not recommended.
Half Moon shoal.-----------------------|------ do------------------ do.--- ... do .....! Recommended June 17
30& | Red Fish bar-----------------------...-1.----- do------------|------ do do ----- Recommended June 17
Clopper's bar, San Jacinto river..........]-...-- do------------|-----. do------------ do ..... Recommended June 17
X California...... 28 Humboldt harbor, North spit.............|------ do------------ ...... do...----. ...Alden....! Recommended Nov. 19
Fort Point, San Francisco bay..... -------------- do.----------- Assistant Cutts ------------. Recommended Feb. 13
Alcatraz, or Bird island............. -----i------ do------. ...--|--|--do....-do--------------- Recommended Feb. 13
Point Conception ....... -- - - - - - - - - - - - - - - - - - - - - do------------ Sub-Assistant Harrison...... Recommended Mar. 13
Point Pinos...... - - - - - - - - - - - - - - - - - - - - - - - - - - - - - do------------ ------do-------- do-------- ... Recommended Mar. 14
Umpqua.--------------. - - - - - - - - - - - - - - - - - - - - - - do------------ Lieut. Commanding Alden ... Report not recod Nov.28
XI i Oregon ...... ..! 26 : Umpqua.------------------------------ Fog-signal----------|------ do------------ do------ Report not rec'd Nov.28
Cape Hancock, or Disappointment........] Light-house and fog- || Lieutenant Bartlett and Sub- Recommended Sept. 99

27 signal. Assistant Harrison.
Cape Flattery............ ------- -------- .... do........ do.... Lieut. Commanding McArthur Recommended April 29
New Dungeness.-------------------...--|----do-----. ...do----|------ do------------ do..... Recommended April 29
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APPENDIX No. 16 Letter of the Superintendent to the chiefs of hydrographic parties in the coast

survey, enclosing a communication from the secretary of the Light-house Board, asking for suggestions for the improvements and extension of the present light-house establishment, and extracts from their replies.

Coast SURVEY STATION,

Near Portland, Maine, July 30, 1851. Sir: I have to call your attention to the enclosed communication from the secretary of the Light-house Board, and to ask such information in relation to the subjects embraced in it as your especial experierce on the coast survey, or general experience as a seaman, may enable you to furnish. I would suggest that specific answers be framed, when the subjects come within the range of your experience, to the questions addressed, adding such remarks as the introductory part of the letter seems to contemplate. Please address your reply, as a report, to me at Portland, Maine.

Yours respectfully,

A. D. BACHE, Superintendent, fr. To CHIEFS OF HYDROGRAPHIC PARTIES in Coast Survey.

Extracts from letter of Lieutenant Commanding C. H. McBlair, United

States navy, assistant in coast survey, in reply to above letter of the Superintendent, in relation to lights, beacons, and buoys needed on the coast of MassachusettsSection I.

U. S. SURVEYING STEAMER BIBB,

New Bedford, August 28, 1851. SIR: I have received your letter of the 30th ultimo, directing my attention to the enclosed communication from the Secretary of the Light-house Board, on subjects belonging to improvements in the navigation of our coast.

"Additional lights, buoys, beacons, &c., that may be required to render navigation safe and easy."

The following objects seem to me worthy of the consideration of the Light-house Board:

a. The expediency of substituting a light-house on the ledge called “Sow and Pigs,” standing near the entrance into Buzzard's bay, for the present light-boat moored in that vicinity, and the light-house on the western side of Cuttyhunk island. The ledge in question is said to be capable of affording a solid foundation of rock for such a structure, and a light of the highest range and power at this point would be invaluable to vessels passing into Buzzard's bay, the Vineyard sound, or bound westward into Long Island sound.

c. Placing a floating beacon, with a fog-bеll attached, on Davis' new South shoal.

This shoal lies near the most frequented parts of the ocean, and has occasioned some very disastrous wrecks. Ît has as little as eight feet water upon it—is swept by very strong tides, and, during the summer months, almost constantly hidden by fogs. It was designed at one time to erect a beacon upon it, but the great difficulties of the undertaking, arising from the character of the climate and the distance of the nearest port, seem to be regarded as insuperable. It is, however, indispensable to the safety of passing vessels that it should be marked in as distinct a manner as circumstances will admit.

d. A buoy-boat (hereafter to be described) on the Great Rip, one of the most extensive of the Nantucket shoals. A suitable place for this mark would be in the slue or passage near the south end. I would here indicate the shoal itself, the passage in which it was moored, and that on either side of the Rip.

e. A buoy-boat on the small shoal lying to the eastward of the northern end of the Bass Rip, (Nantucket shoals,) to mark the shoal itself and indicate the passage generally between the Bass and Great Rip.

f. A spar-buoy (hereafter to be described) on the sand-spit projecting from Fox's point, (Nashawena island,) at the southern entrance into Quick's Hole. This channel, connecting the Vineyard sound with Buzzard's bay, is constantly used, and the want of a mark showing the spit has occasioned frequent wrecks.

g. A light-boat near Brenton's reef, at the mouth of Newport harbor, already recommended in a special report to you.

h. Three small harbor-lights, lo facilitate the entrance into Holmes' Hole harbor, already particularly described in my report to you of the 16th ultimo.

i. Certain spindles, buoys, and beacons, marking the approaches near Dorchester and Boston, already enumerated and described in my reports to you, dated March 1st.

j. A wooden beacon, painted black, on Long island, (Boston harbor,) placed so as to range with the northeast end of Spectacle island, for the safe navigation of the main ship channel. For particulars respecting this mark, I beg to refer you to Lieutenant Charles H. Davis' report to you on the subject, of December 24, 1847.

k. A similar beacon on the southeast part of Long island, (Boston harbor,) to range with “Nix's Mate,” in order to facilitate the passage through the Broad Sound south channel. In the Coast Survey sailing directions, the range that has been given to answer the same end, is “Nix's Mate on Blue Hill;" but owing to the distance of the latter object, this guide is only available in clear weather. The substituton of the beacon on Long island for Blue Hill, is recommended at the instance of Lieutenant Davis.

l. A buoy-boat on the southwest end of Billingsgate shoal, (Massachusetts bay,) and two spar-buoys on the southern edge of the shoal, planted at regular intervals between the boat and Billingsgate island. Three guides are necessary in the approach to the anchorage under Billingsgate shoal.

m. A spar-buoy on or near a small rock lying to the southward of Wellfeet harbor, and called, on the hydrographical sheet, “ Bibb Rock."

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Respectfully,

C. H. McBLAIR,
Lieutenant Commanding, and Assistant Coast Surcey.

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Ertracts from letter of Lieutenant Commanding S. Swartwout, United

States navy, assistant in coast survey, in reply to foregoing letter of the Superintendent, in relation to lights, beacons, and buoys needed on the coast of MassachusettsSection 1.

U.S. SURVEYING BRIG WASHINGTON,

Off Nantucket Bar, September 4, 1851. Sir: Your circular letter, dated July 30th, enclosing a communication from the secretary of the Light-house Board, reached me in due course of mail. * * *

6. Additional lights, buoys, beacons, &c., that may be required to render navigation safe and easy.

I am only prepared to answer this question so far as it relates to this particular section of our coast.

A floating beacon, with a fog-bеll attached, on Davis' South shoal.

A buoy-boat (to be hereafter described) on the Great Rip, one of the most extensive and dangerous of the Nantucket shoals.

A buoy-boat on the small shoal lying to the east of the northern end of the Bass Rip, (Nantucket shoals,) to mark the shoal itself, and indicate the passage between the Bass and Great Rip.

A spar-buoy on the sand-spit projecting from Fox's Point, (Nashawena island,) at the southern entrance into Quick’s Hole.

Three small harbor or bug-lights, to facilitate the entrance into Holmes' Hole. The expediency and necessity of these additional aids for the protection of our commerce in this quarter, appear to me to be very obvious; and the many disasters and shipwrecks which occur annually from the want of them, I flatter myself will plead strongly in favor of their immediate adoption by our government. I have merely considered it necessary to allude to these additional aids to render navigation safe and easy, as Lieutenant Commanding C. H. McBlair has already very particularly recommended them to your notice urging their useful effects by very cogent arguments, to which I can add nothing; but, concurring fully with him in his views, it will be necessary for me to refer you to his reports in relation to these matters, as an answer to this question, so far as my knowledge extends from actual observation. * Very respectfully, your obedient servant,

S. SWARTWOUT,

Lieutenant Commanding.

Extracts from letter of Lieutenant Commanding J. N. Maffitt, U. S. navy,

assistant in coast survey, in reply to above letter of the Superintendent, in relation to lights, beacons, and buoys needed on the coast of North and South Carolina-Sections IV and V.

U. S. SCHOONER GALLATIN, August 10, 1851. Sir: I have received your “circular" of the 20th ultimo, enclosing a copy of a letter from the secretary of the Light-house Board.

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