Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
The Base Line Survey Marker
Photographer: Jason Voigt
Taken: September 8, 2021
Caption: The Base Line Survey Marker
Submitted: September 8, 2021, by Jason Voigt of Glen Carbon, Illinois.
Database Locator Identification Number: p608946
File Size: 8.052 Megabytes

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