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DICK SCHALLERm , Maplewood police chief, far left, and laboratory at the 3M complex in Maplewood near Interstate
Tom Hagen, assistant Maplewood police chief,second left, 94 and Highway 120.
talk to fire fighters shortly after a morning explosion in a
THE REVIEW
Wxed Jan 21 1981 Page 3A
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PANELS OF 3M Building 235 in Maplewood blew out, as they were
venting the force of an explosion on the second floor e designed to do,
to the outside on Jan.16.
Photo courtesy of 3M
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