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.
Hydraulically Powered Longwall Roof Support
Photographer: Cosmos Mariner
Taken: July 21, 2019
Caption: Hydraulically Powered Longwall Roof Support
Submitted: June 23, 2020, by Cosmos Mariner of Cape Canaveral, Florida.
Database Locator Identification Number: p527145
File Size: 5.122 Megabytes

To see the metadata that may be embedded in this photo, sign in and then return to this page.
Copyright © 2005–2024, Some rights reserved.