A, No. 3.

A, No. 4.

A.

LIST OF SKETCHES ACCOMPANYING THIS REPORT.

Sketch of progress, Section 1.

A, No. 2. Nantucket shoals, re-engraved.

Current Chart Boston harbor.

Sketch of Holmes' Hole, showing proposed beacon.

D, No. 2. Hatteras shoals.

D, No. 3. Hatteras inlet.

D, No. 4. Gulf Stream soundings.

D, No. 5. Beaufort harbor.

D, No. 6. Progress of survey of Cape Fear river and vicinity.
D, No. 7. Fryingpan shoals.

Sketch of progress, Section 5.

Sketch of progress, Savannah river.

Sketch of progress, north and south Edisto and St. Helena sound.

Savannah city.

E, No. 5. Savannah entrance.

E, No. 6. Bull's bay.

E, No. 7. North Edisto.

9. Sketch of progress San Francisco. J, No. 10. Sketch of progress San Diego. J, No. 11.

J, No. 12,

K.

Point Pinos view, incorporated into McArthur's chart. 13, 14. McArthur's chart, 4th edition.

Mouth of the Columbia river, showing site of light-house, scale 200000

K, No. 2. Cape Hancock.

K, No. 3. Mouth of the Columbia river, scale

X. Plate showing the electrotype apparatus.

1

APPENDIX No. 1..

Distribution of the parties of the Coast Survey upon the coast of the United States, during the surveying seasons, in the different parts of the coast, from November, 1850, to November, 1851.

Localities of the several operations.

1

Primary triangulation and astronomical and magnetic observations.

Magnetic observations
Reconnaissance

4

A. D. Bache, superintendent; Lieut.
W. P. Trowbridge, corps of en-
gineers, and assistant; Geo. W.
Dean, sub-assistant.

J. E. Hilgard, assistant

C. O. Boutelle, assistant; Brevet
Major Henry Prince, United
States army.

Secondary triangulation - Captain T. J. Cram, United States
topographical engineers, assist-

Mount Pleasant, Maine, occupied for geodetic and
astronomical observations; Ossipee Mt., Maine,
for geodetic, and Cape Small Point, Maine, for
astronomical observations. (See also Section
III.)

Saco, Kennebunk, and Portland harbors.
Extension of primary stations beyond Penobscot.
(Part of season; see also Section V.)

Sub-section from Portsmouth, New Hampshire, to
Saco, Maine, completed and connected with
primary triangulation.

Reconnaissance for secondary triangulation, Casco
bay, Maine, part of season.
Newburyport harbor, Massachusetts.

South and east shores of Cape Ann, Massachusetts,
from Beverly Farms to Halibut Point. (See also
Section IV.)

Chatham and vicinity, and Wellfleet, Cape Cod,
Massachusetts. (See also Section III.)
Nantucket shoals; Bass Rip; Davis' Bank; Fish-
ing Rip; Muskeget channel, off Bond island; and
Gay Head, Salem harbor, and its approaches.

II

9

A

Lieutenant Commanding Maxwell Newburyport harbor, Massachusetts; approaches

assistant.

Woodhull, United States navy,

to Portsmouth harbor, New Hampshire; Chat-
ham harbor, Massachusetts; tides and cur-
rents of Vineyard sound, Buzzard's bay and
passages connecting.

Brevet Major I. I. Stevens, corps Inspection of progress of certain parties during

Brevet Captain G. W. Lay, United During part of season.

States army, assistant.

Edmund Blunt, assistant; Lieuten-
ant Jos. S. Totten, United States
army, assistant.

Henry L. Whiting, assistant

A. D. Bache, superintendent; Geo.
W. Dean, sub-assistant.

Edmund Blunt, assistant, and Lieut.
J. S. Totten, U. S. army, assistant

Sears C. Walker, assistant
John Farley, assistant; George H.
Bagwell, aid.

Brevet Major Henry Prince, U. S. army, assistant

Hudson river, from limits of former work. (Part
of season; see also Section III.)

Re-survey of Sandy Hook to determine its changes.
(Part of season.)

Survey for ranges for Flynn's Knoll and Swash
channel. (Part of season.)

Verification on south side Long Island, from Nea-
peague to Montauk, and eastward. Revision of
entrance to Connecticut river. (See also Sec-
tion 1.)

Off-shore work and tides and currents, between
Gay Head and Cape May.

Minute survey of Way's reef, Pot Rock, &c., at
Hell Gate, for changes by blasting.

Observations of latitude and azimuth at Causten's
station, near Georgetown, D. C. (Part of season;
see also Section I.)

Continuation of triangulation of Chesapeake, and
preliminary determination to capes. (See also
Section II.)

Longitude observations at Seaton station.
Outer shore of peninsula of eastern shore of Vir-
ginia, from Cedar island to Rogue's island.
To connect triangulation of Chesapeake and outer
coast. (Part of season; see also Section IV.)

Point Judith to Cape Hen-
lopen, including the coast
of Connecticut, New York,
New Jersey, Pennsylva-
nia, and Delaware.

III Cape Henlopen to Cape
Henry, including the coast
of Delaware, Maryland,
and Virginia.

8

Topography

Topography

Topography

9

Hydrography

10

Hydrography

IV

Cape Henry to Cape Fear,

1

Reconnaissance

J. B. Glück, assistant
John Seib and S. A. Wainwright,
sub-assistants. (Double party.)

George D. Wise, assistant, and
Mr. J. A. Denny.

J. M. Wampler, sub-assistant, and
Mr. Wm. M. Johnson.
Brevet Major I. I. Stevens, corps
of engineers, assistant.
Lieut. Commanding John J. Almy,
U. S. navy, assistant.
Lieut. Commanding B. F. Sands,
U. S. navy, assistant.
Brevet Major Henry Prince, U. S.
army, assistant.

Astronomical observat'ns L. F. Pourtales, assistant

Verification work on Patapsco river and eastern
shore. (Part of season; see also Section I.)
Eastern (Chesapeake) shore of Maryland and
Virginia, from Sykes' island to Rose Mary; and
western shore, from Smith's Point L H. to
Wolf Trap station. (See also Section V.)
Outer shore of peninsula of eastern shore of
Maryland and Virginia.

Same work during part of season. (See also Sec-
tions VIII and IX.)

Inspection of work on Patapsco.

Outer coast, from Lonesome Hill, Maryland, to
South Gargathy, Virginia; and Chesapeake bay.
Middle Ground entrance to Chesapeake bay.
(Part of season; see also Section VIII.)
Reconnaissance of Pamplico and Core sounds, &c.
(Part of season; see also Section III.)
Connexion of Forbes' Point, near Elizabeth city,
and Seaton station, Washington, for difference
of longitude.

Currituck sound, nearly to the Virginia line.
Entrance to Cape Fear river, (N. C.) (See also
Section V.)

From Cape Hatteras (N. C.) south to Ocracoke inlet.

Beaufort Harbor (N. C.) and approaches, &c. (Part of season; see also Section I.)