1. St. Marys River. Amendment 3 to Rules for St. Marys River [Mich., relating to anchorage and navigation, adopted] June 1, 1932; approved May 9, 1934. Bookmark Corporate/Agency Authors: Navigation and Steamboat Inspection Bureau and Federal Employment Stabilization Office Publisher: Navigation and Steamboat Inspection Bureau Date: 1933 [1934] SuDoc number: C 11.2:Sa 2/4/amdt.3