Alpena News Photograph Collection

    In July of 1971, the Alpena Power Company lowered the Thunder Bay River by nine feet. This was done by opening the Ninth Street Dam and closing the Four-Mile Dam. The purpose of this was to allow the

    There are three original negatives that have the same view.

The Alpena News, The Alpena News, 2 Jul 1976, p. 7     ANC17B53F12_048 was the image used for publication. 3 negatives shown on database.