By UNITED STATES NAVY HYDROGRAPHIC OFFICE; WYMAN, R.H., Capt[ain], 1871. [Corrections to 18]78.
By HYDROGRAPHIC OFFICE; WHARTON, W.J.L., Rear Admiral, 15th April, 1895.
By HYDROGRAPHIC OFFICE; BAYFIELD, Captain [Henry Wolsey], Dec 1st 1837. Cor[recte]d to 1848, 60, Apr. 1863.
By HYDROGRAPHIC OFFICE; WILKES, Commander Charles, Octr. 3rd 1866. Large corrections Feb. 1881, May 1885, Jany. 1889, May 1889, May 1894, Aug. 1898.
By HYDROGRAPHIC OFFICE; DENHAM, Captain H[enry]] M[angles], 17th July 1879. Large corrections Sept. 1882, Decr. 1897.
By EVANS, Frederick J., Captain Sir, 5th Mar. 1884. Small corrections [to 18]93.
By HYDROGRAPHIC OFFICE; WASHINGTON, Capt[ai]n [John], 5th April 1857. Large corrections March 65, Nov. 69. Feb 1886; April 1887. Small corrections [to 18]94.
By UINTED STATES NAVY HYDROGRAPHIC OFFICE, May 1881. Cor[rections] by Notices to Jan. 1884 (1884-88).


