OF

THE SUPERINTENDENT

OF THE

COAST SURVEY,

SHOWING

THE PROGRESS OF THE SURVEY

DURING

THE YEAR 1852.

WASHINGTON:

ROBERT ARMSTRONG, PUBLIC PRINTER.

1853.

だ

L&DOL 445

ABSTRACT OF CONTENTS OF REPORT.

1. Condensed statement of the progress of the survey in the several Sections during the year 1852, p. 3-7.

Sec. I, p. 7. Secs. II and III, p. 8. Secs. IV and V, p. 9. Secs. VI, VII, VIII, and IX, p. 10.

Secs. X and XI, p. 11.

2. Estimates for the progress of the work on the Atlantic, Gulf, and Pacific coast, during the year 1853–54,

p. 12-15.

3. Detailed statement of progress in—

Section I. Astronomical and magnetic observations-triangulation, p. 17. Topography, p. 19. Hy-

drography, p. 19. Views, p. 22. Tidal observations and light-house examinations, pp. 21, 22.

Section II. Astronomical and magnetic observations, p. 23. Triangulation, p. 23. Hydrography, p.

24. Tidal observations and light-house examinations, p. 24.

Section III. Astronomical and magnetic observations, pp. 25, 26. Triangulation, p. 27. Topography,

p. 27. Hydrography, p. 29. Tidal observations and light-house examinations, p. 30.

Section IV. Triangulation, p. 31. Topography, p. 32. Hydrography, pp. 33, 34.

Section V. Triangulation, p. 35.

Topography, p. 36. Hydrography, p. 36-38. Magnetic and

tidal observations, and light-house examinations, p. 35-38.

Sections VI and VII. Reconnaissance, p. 39.

Triangulation pp. 40, 41. Topography, p. 41.

Section VIII. Reconnaissance, p. 43. Triangulation, p. 43. Topography, p. 44. Hydrography and

tidal observations, p. 44-46.

Astronomical and magnetic observations, p. 40.

Hydrography and tidal observations, p. 42.

Section IX. Reconnaissance-triangulation, p. 47. Topography, p. 47. Hydrography, tidal observa-

tions, and light-house examinations, p. 48.

Sections X and XI. Reconnaissance-astronomical and magnetic observations, p. 50. Triangulation,

p. 51. Topography, p. 52. Hydrography, p. 53-55. Views, p. 55. Tidal observations and light-

house examinations, p. 53–55.

OFFICE WORK, p. 56–67. Condition of office, p. 56. Work done in computing, p. 57-59.

Drawing, p. 60-62. Engraving, p. 62-64. Printing and electrotype departments, p. 64. Pub-

lishing, p. 65. Instrument shop, p. 66. Archives and library, p. 66. Clerical force, p. 67.