| 单词 | placer digging |
| 释义 | > as lemmasplacer digging placer digging n. ΘΚΠ society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > mine by type of operation stream-work1586 opencast?a1650 lavatory1712 lavadero1717 coffin1778 whole working1842 open cut1848 dry- or wet-diggings1849 river diggings1850 placer digging1851 placer working1867 drift mine1882 strip mine1934 1851 Hornellsville (N.Y.) Tribune 31 Dec. The miners..very properly pronounced them to be placer diggings, and allowed to each man thirty feet square, the usual extent of placer claims in that County. 1928 Bull. Amer. Soil Surv. Assoc. 9 56 Placer diggings, areas where placer mining has overturned or removed the soil and left a rough, eroded and scarred surface. 1999 Calgary (Alberta) Herald (Nexis) 7 Aug. 4 Streams to the north of us have been profitably worked for years, there is no reason to doubt that the Elbow will yet be the scene of valuable placer digging. < as lemmas |
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