The Minnesota Department of Labor and Industry later determined faulty welding was the cause of the collapse, according to an Oct. 18, 1993, Pioneer Press article.

cause of collapse of

M. C. Escher (Wikipedia) Maurits Cornelis Escher (Dutch pronunciation: [ˈmʌurɪt͡s kɔrˈneːlɪs ˈɛʃər]; 17 June 1898 – 27 March 1972) was a Dutch graphic artist who made woodcuts, lithographs, and mezzotints, many of which were inspired by mathematics. Despite wide popular interest, for most of his life Escher was neglected in the art world, even in his native Netherlands. He was 70 before a retrospective exhibition was held. In the late twentieth century, he became more widely appreciated, and in the twenty-first century he has been celebrated in exhibitions around the world.

45 years later, Shoreview towers stand strong (presspubs.com) SHOREVIEW — It has been 45 years since the Shoreview TV tower collapse that left seven workers dead the day after Labor Day in 1971.