View of the Dew Drop Mine near Ward in Frances (Camp Francis, Dew Drop, Boulder County), Colorado. A man identified as Costy stands on tailings between the old and new shaft houses. Shows a tipple, and a log and wood retaining wall. Lumber and...
Dew Drop Mine (Boulder County, Colo.)--1890-1900.; Frances (Colo.)--1890-1900.; Mine buildings.; Mining.; Tipples.
History of mines and mining in Pennsylvania, and an alphabetical index by miner’s name for fatal and non-fatal mine accidents in Pennsylvania for the years 1869, 1871, 1872, 1874 (partial), 1875, 1877,
1879, 1880, 1882, 1883, 1884, 1887, 1888,...
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