Unitedstatesofamerica1
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- Oct 2, 2012
- 650
- 413
- Detector(s) used
- Cabella's
- Primary Interest:
- All Treasure Hunting
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What about the groove in the side
Natural rocks can also have curves and folds https://en.m.wikipedia.org/wiki/Fold_(geology)Could be a old stove fire brick. would be my guess do to the curvature.