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.
Marker detail: Laurentia (North America)<br>500,000,000 years ago
Photographer: Ron Blakeley, Northern Arizona University, 2014
Caption: Marker detail: Laurentia (North America)
500,000,000 years ago
Submitted: October 17, 2021, by Cosmos Mariner of Cape Canaveral, Florida.
Database Locator Identification Number: p616518
File Size: 2.814 Megabytes

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