Pilot rules for the Great Lakes and their connecting and tributary waters
Edition: Edition: August 20, 1938.
Series: Rules and Regulations Series -- No. 9
Publisher: U.S. G.P.O.
Published: 1938
Place of publication: Washington
Language: eng
Number of pages: 27
Subjects: Pilot boats
Notes: Changes: Rules relating to the use of searchlights; unnecessary sounding of whistle; and carrying of unauthorized lights.