See the round section in the rock? This is a fossilized tree. The metal strap is designed to hold it into place. Large pieces of these tend to fall out of the ceiling unexpectedly and kill miners.
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DATE: 09-10-2004
| CAMERA: NIKON (E4500)
| RESOLUTION: 2272 x 1704
| NATIVE FOCAL LENGTH: 19.7mm
| FLASH: Flash fired, auto mode
| EXPOSURE TIME: 10/603 sec
| METERING MODE: Multi-segment
| EXPOSURE MODE: Auto
| WHITE BALANCE MODE: Auto
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