Photograph as originally submitted to
this page in the Historical Marker Database
www.HMdb.org.
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Photographer: Thomas Smith
Taken: September 6, 2021
Caption:
Giant Three-Way Plug, Scale A, 1970-1971 Marker | Submitted: September 7, 2021, by Thomas Smith of Waterloo, Ill.
Database Locator Identification Number: p608602
File Size: 2.542 Megabytes
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