University of Notre Dame / O'Brien Dam / Lockport Powerhouse / Lockport Dam / Wilmette Pumping Station / Ship Canal / Burns Harbor / The Wilmette Pumping Station / Indiana Harbor / Calumet Harbor / Michigan Canal / I&M Canal / /
Holiday
Commonwealth Day / /
IndustryTerm
federal common law / food web / laboratory protocols / /
NaturalFeature
Chicago River / Illinois River / Lake Calumet / North Shore Channel / lake Erie / Great Lakes / Lake Michigan / Little Calumet river / Grand Calumet river / Mississippi River / Calumet Sag Channel / lake Superior / Des Plaines River / Calumet-Sag Channel / Calumet river / lake Huron / Grand river / /
Organization
United States Fish and Wildlife Service / United States Army Corps of Engineers / Congress / United States Army / Protection Agency / Illinois Legislature / University of Notre Dame / /
Person
Metropolitan Water / Thomas W. Corbett / Jr. / Richard Cordray / Lori Swanson / J.B. Van Hollen / Michael A. Cox / /