Towboat crew licensing.
Subtitle: Hearings, Ninety-first Congress, first session, on H.R. 13987, H.R. 14186 ...
Publisher: U.S. Govt. Print. Off.
Published: 1970
Place of publication: Washington
Language: eng
Number of pages: 271
Subjects: Marine towing -- Law and legislation -- United States.
Notes: Hearings held Oct. 8-Nov. 13, 1969.
"Serial no. 91-16."