Description of long wire drag
By: by N. H. Heck.
Contributors: U.S. Coast and Geodetic Survey.
Edition: Rev. ed.
Series: Special publication -- no. 21; Special publication (U.S. Coast and Geodetic Survey) -- no. 21.
Publisher: U.S. Govt. Print. 0ff.
Published: 1914
Place of publication: Washington, D.C
Language: eng
Number of pages: 31
Subjects: Drags (Hydrography)
Notes: At head of title: Hydrography.