"The study is to determine the feasibility of further commercial navigation improvements to the connecting channels, locks, and harbors on the upper four Great Lakes, and the extent of any federal interest. Preliminary feasibility studies have been completed. In response to the commercial navigation proglems, needs, and opportunities, several alternative structural plans were evaluated... A non-structural plan... and a No action plan were also evaluated."--Syllabus.

"The study is to determine the feasibility of further commercial navigation improvements to the connecting channels, locks, and harbors on the upper four Great Lakes, and the extent of any federal interest. Preliminary feasibility studies have been completed. In response to the commercial navigation proglems, needs, and opportunities, several alternative structural plans were evaluated... A non-structural plan... and a No action plan were also evaluated."--Syllabus.