| 11. | Placer mining had always been hampered by a heavy brown sand.
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| 12. | Quartz mining predominated but there was some placer mining as well.
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| 13. | Reed continued with placer mining for a number of years.
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| 14. | He settled in the capital of Montana Territory, Bannack, Montana, and began placer mining.
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| 15. | The district produced nearly a half million ounces of gold, all from placer mines.
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| 16. | Placer mining has been reported for every year since 1894.
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| 17. | He later worked at placer mining, at railroad construction and as an employment agent.
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| 18. | Placer mining operations have been noted at several locations in the river since 1969.
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| 19. | Recreational mining is often small-scale placer mining but has been challenged for environmental reasons.
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| 20. | Placer mining was also practiced and continues today on the banks of the North Yuba.
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