Sonic soundings.
Edition: 2d ed.
Series: Its H.O. pub[lication] -- no. 606-b. -- Observers manual; H.O. pub -- no. 606-b.; Observers manual (United States. Hydrographic Office)
Published: 1958
Place of publication: Washington
Language: eng
Number of pages: 13
Subjects: Sounding and soundings; Oceanography