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 Hollow Earth Monument Marker
Photographer: Rev. Ronald Irick
Taken: April 17, 2018
Caption: The Hollow Earth Monument Marker
Additional Description: The fourth (and largest) plaque, describes the restoration of the monument.
Submitted: April 20, 2018, by Rev. Ronald Irick of West Liberty, Ohio.
Database Locator Identification Number: p424156
File Size: 5.541 Megabytes

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