Tunnel in 1990 Circa-1990 Photo with the tracks still shining. (C) Shawn Christie, railpictures.net Similar Images ...based on the tags: historical-image... East Side Station, circa 1954. Note the ‘FOR SALE’ sign over the doomed streetcars. Courtesy Minnesota Historical Society. Brewster-Wheeler Rec Center, seen in 1965. From Detroit-Black Bottom Community. The remains of Unit 5… Mitchell Sugar Mill, 1920, Colorado State Library Postcard (Thanks to Don Harrison, flickr.com) Occidental Demolition, September 1998 (LaFontaine Collection) Note the two tunnels behind the steam plant in this 1930s image from MNHS.org. Daisy Mill, shorty after it was rebuilt in 1895. Author’s Collection. Thanks to the University of Wisconsin Superior Archives for your generous access.