Here are links to the actual documentation – read for yourself:

The 2008 Overview and Analysis for a National Marine Sanctuary Program:

The 2014 Lake Michigan Wisconsin National Sanctuary Proposal:

The 2016 Draft Environmental Impact Statement and Draft Management Plan:

Press release for the ten-fold expansion of Thunder Bay National Marine Sanctuary:

Fed Register 1/9/2017; Federal Register Vol. 82, No. 5 Monday, January 9, 2017
Proposed Rules for Wisconsin Lake Michigan Sanctuary, Subpart T, page 2269:

The Perils of Approving a Marine Sanctuary