Photograph as originally submitted to this page
in the Historical Marker Database www.HMdb.org
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Photographer: Barry Swackhamer
Taken: August 28, 2020
Caption: Geophysics and Archaeology Marker
Additional Description: Captions: (center left) Magnetic data being collected.; (center) Resistance data being collected.; (right) Magnetic Findings; 1. Fort Clark Trading Post, with the main compound indicated by a large rectangular pattern; 2. Flagpole in central compound; 3. Main entryway facing the Missouri River; 4. Garreau's circular earthlodge & compound; 5. Dumping ground outside the compound, indicated by a large area of small magnetic features; 6. Euroamerican cemetery with graves indicated.
Submitted: December 13, 2020, by Barry Swackhamer of Brentwood, California.
Database Locator Identification Number: p556792
File Size: 3.262 Megabytes
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