| 21. | He describes gold mining in detail, with large-scale use of water to scour alluvial gold deposits.
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| 22. | Alluvial gold was discovered in and along the river in 1858, with the diggings worked until 1868.
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| 23. | Output for 1892 1893 was an estimated 2, 000 ounces of alluvial gold worth ? per ounce.
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| 24. | On 6 February 1873 alluvial gold was discovered and within 3 months the Lydenburg goldfields was proclaimed.
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| 25. | Alluvial gold is regarded as having a high purity and is often found in the coarse form.
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| 26. | Rather, } } described actual placer gold, alluvial gold powder sometimes still panned from the river's waters.
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| 27. | The reef is located about 6 km south of the town and was particularly rich in alluvial gold.
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| 28. | Alluvial gold is artisanally exploited from stream gravels in parts of Cameroon, Gabon, Congo, and Central African Republic.
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| 29. | Also, in other economic fields, were fishermen and also miners mined alluvial gold field and the Medellin river.
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| 30. | By the end of 1862 the source of the alluvial gold found in the creek had been uncovered.
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