8

Topography
Topography
Topography
9 Hydrography

10

Hydrography

IV Cape Henry to Cape Fear,
coast of Virginia and
North Carolina.

1

Reconnaissance

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.

2 Astronomical observat'ns L. F. Pourtales, assistant

J. J. S. Hassler, assistant -
Charles P. Bolles, assistant, and
Mr. J. W. Gregorie.

A. S. Wadsworth, sub-assistant,
and Mr. Charles Jardella.
H. L. Whiting, 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 L.)

Lieut. Commanding T. A. Jenkins, Fryingpan shoals, near Cape Fear river, (N. C.)

U. S. navy, assistant.

| Lieut. Commanding Richard Wainwright, U. S. navy, assistant. Lieut. Commanding J. N. Maffitt, U. S. navy, assistant.

(Part of season; see also Sections IV and V.)
Albemarle, Roanoke, and Croatan sounds, com-
pleted; Currituck sound commenced.
season; see also Section V.)
Entrance to Cape Fear river, (N. C.) (Part of

Lieut. Commanding T. A. Jenkins, Exploration of Gulf Stream-continued.

U. S. navy, assistant.

C. O. Boutelle, assistant; Lieut.
Jos. S. Totten, U. S. army, and
Mr. J. W. Gregorie.

C. O. Boutelle, assistant; Prof.
Lewis R. Gibbes.

C. P. Bolles, assistant, and Mr.
Geo. A. Fairfield.

C. O. Boutelle, assistant, and Mr.

J. W. Gregorie.

East and west ends of Edisto base (S. C.) occu-
pied; lines opened; secondary triangulation of
North Edisto and Dawho rivers; reconnaissance
for secondary triangulation to Stono river.
Difference of longitude of Charleston and Savan-
nah stations.

South Edisto and Ashepoo rivers and St. Helena
sound. (See also Section IV.)

Preliminary triangulation of entrance to Savannah
river. (Close of season.)

Geo. D. Wise, assistant, and Mr. South Edisto entrance and river, and Edisto island,
J. A. Denny.

near east end of base. (See also Section III.)
S. A. Wainwright, sub-assistant - Harbor of Savannah and approaches. (During
part of season; see also Section III.)
Charleston harbor completed; North Edisto har-
bor of refuge completed; harbor of Savannah
completed. Preliminary survey of entrance to
Savannah river.

Lieut. Comm'g J. N. Maffitt, U. S. navy, assistant.

A. D. Bache, superintendent
F. H. Gerdes, assistant, and Mr.
Henry Ginder.

Secondary triangulation F. H. Gerdes, assistant
Secondary triangulation J. E. Hilgard, assistant

3 Secondary triangulation L. F. Pourtales, assistant, Lieut. Jas. Totten, U. S. army, assistant, and Mr. Ethelbert Mason.

Inspection of progress of parties in Section, &c.
Preparation of sites of bases; connexion of Tortu-
gas and Marquesas, Cedar Keys, and Crystal
river harbor, &c. (See also Section VIII.)
Triangulation of Cedar Keys and vicinity, and of
Crystal river harbor, commenced.

Triangulation of Florida keys, from Key Biscayne
to Soldier key. (Part of season; see also Sec-
tion I.)
Triangulation of Florida keys continued from Sol-
dier key to Turkey key. (Part of season; see
also Section IV.)

Head of Galveston bay; entrance to San Jacinto river; delta of Trinity river and Turtle bay;

East and West bays, near entrance of Gal-
veston bay, to limits of triangulation. (See also
Section III.)

Lieut. Comm'g T. A. M. Craven, Galveston entrance, approaches and Lower bay.

U. S. navy, assistant.

R. D Cutts, assistant

Geo. Davidson, assistant, and Mr.
John Rockwell.

Determination of Farallones; entrance to San
Francisco bay; San Diego harbor.

Latitude and longitude of Point Pinos, Monterey,
California; of Point Loma, San Diego, Cali-
fornia; of Cape Disappointment, Columbia
river, Oregon; diff. long. San Francisco and
Cape Disappointment.

Richard D. Cutts, assistant, and North and south sides of entrance to San Fran-
Mr. Augs. S. Rodgers.

cisco bay; Mare island, for site for fortification
and navy yard; sites of light-houses at entrance
to San Francisco bay, on Farallones, and on Bird
island.

A. M. Harrison, sub-assistant, and Sites of light-houses at Point Conception, at Point
Mr. J. L. Lawson.
Pinos, (Monterey,) at Point Loma, (San Diego,
California,) and at Cape Disappointment, (Ore-
gon,) and Point Adams, Oregon.

Lieut. Comm'g Jas. Alden, U. S. Trinidad bay and river; Humboldt bay, Califor-
navy, assistant.

nia; views of entrance to Columbia river; general reconnaissance of the coast south of San Francisco; hydrography of the harbor of Monterey; and continuation of reconnaissance of coast south of Monterey.

Name.

APPENDIX No. 2.

A list of army officers on Coast Survey duty, September 1, 1851.

Rank.

Date of attachment.

Thomas J. Cram.
Henry Prince.
Isaac I. Stevens.
Augustus A. Gibson
James Totten.

William M. Gardner.
Richard H. Rush
Joseph S. Totten..
George W. Lay.
Edward B. Hunt.
William P. Trowbridge.

1st lieutenant and brevet captain 6th infantry 2d lieutenant engineers.

1st lieutenant 2d artillery

2d lieutenant engineers.