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Updated: May 10, 2025
In only one out of several experiments made in the Berlin Mining College did gold-sand contain 0.014 gold; and, in one experiment on the heavy sand remaining on a mud-board, no gold was found. A small gold nugget obtained in this manner, tested at the Berlin Mining College, consisted of Gold 77.4 Silver 19.0 Iron 0.5 Flint earth 3. Loss 0.1 100.
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