Printed notice of the Bureau of Marine Inspection and Navigation, Department of Commerce, titled, “Station Bills, Drills, and Reports of Masters. Section of Rule V (Great Lakes; Bays, Sounds, and Lakes other than the Great Lakes; and Rivers), Rules and Regulations of the Board of Supervising Inspectors," ca. 1952, D00027. Missouri Historical Society Library and Research Center.

Printed notice of the Bureau of Marine Inspection and Navigation, Department of Commerce, titled, “Station Bills, Drills, and Reports of Masters. Section of Rule V (Great Lakes; Bays, Sounds, and Lakes other than the Great Lakes; and Rivers), Rules and Regulations of the Board of Supervising Inspectors," ca. 1952, D00027. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/3320 Accessed September 19, 2024.