placer mining उदाहरण वाक्य

उदाहरण वाक्य

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