placer उदाहरण वाक्य

उदाहरण वाक्य

1. The brothers tried placer mining but soon opened a trading post.
2. Placer materials must be both dense and resistant to weathering processes.
3. Quartz mining predominated but there was some placer mining as well.
4. From Nebraska he moved to the placer mines in the Dakotas.
5. They mine hard rock deposits and placer deposits left by glaciers.
6. Miners first came to Butte in 1864 to mine placer gold.
7. Placer mining had always been hampered by a heavy brown sand.
8. A Placer County in the California Senate from 1852 to 1857.
9. Placer mining in the area continued into the later 19th century.
10. Soon the placers began to run out and the population declined.