https://github.com/davepinch/pinchy.cc/blob/master/content/topics/places/transmission-towers/telefarm-towers/presspubs.com/45-years-later/7-1.md
The structure was known as the Sears Tower from its construction until the naming rights were included in a 2009 lease with the Willis Group.
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.