https://www.wnmufm.org/tags/keweenaw-crossing-michigans-elevator-bridge "Keweenaw Crossing: Michigan's Elevator Bridge" en-US Copyright Wed, 22 Jun 2016 12:37:44 GMT https://www.wnmufm.org/2016-06-22/documentary-on-portage-lake-lift-bridge-construction-online HOUGHTON, MI (AP)-- A documentary detailing the 1950s construction of the double-decked Portage Lake Lift Bridge has been digitized and is available… Wed, 22 Jun 2016 12:37:44 GMT https://www.wnmufm.org/2016-06-22/documentary-on-portage-lake-lift-bridge-construction-online Associated Press