(Q7890686)
English
United States Hydrographic Office
U.S. agency that prepares and publishes maps, charts, and nautical books required in navigation
- U.S.H.O.
- U.S. Hydrographic Office
Statements
21 June 1866Gregorian
21 June 1866Gregorian
9 May 1898Gregorian
1 July 1910Gregorian
8 April 1942
10 August 1949
10 July 1962
9 May 1898Gregorian
1 July 1910Gregorian
10 July 1962
United States Hydrographic Office
0 references