Photograph as originally submitted to this page
in the Historical Marker Database www.HMdb.org
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Photographer: Cosmos Mariner
Taken: July 11, 2013
Caption: Trident Marker (wide view; Missouri River headwaters in background)
Submitted: December 3, 2018, by Cosmos Mariner of Cape Canaveral, Florida.
Database Locator Identification Number: p456098
File Size: 4.551 Megabytes
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