"Commercial navigation facility" means (1) terminals and docks used for the transfer of property or passengers between commercial vessels and land, and supporting equipment, structures, and transportation facilities, (2) disposal facilities for dredging material produced by port development projects, and (3) buildings and related structures and facilities used by commercial vessels under construction or repair. "Commercial navigation facility" does not include any commercial navigation facility that is (1) not on the commercial navigation system, or (2) the responsibility of the United States Corps of Army Engineers or the United States Coast Guard.
"Commercial vessel" means a vessel used for the transportation of passengers or property. "Commercial vessel" does not include a vessel used primarily for recreational or sporting purposes.
"Commissioner" means the commissioner of transportation.
"Dredging" means excavating harbor sediment or bottom materials, including mobilizing or operating equipment for excavating and transporting dredged material and placing dredged material in a disposal facility.
"Navigation system" means (1) the commercially navigable waters of the Mississippi River, the Minnesota, and the St. Croix Rivers, (2) the commercial harbors on Minnesota's Lake Superior shoreline, and (3) the commercial navigation facilities on those waterways.