Winze

Late 19th-century map of winzes used for ventilation at the Comstock mines in Nevada[1]

A winze is a minor connection between different levels in a mine. When worked upwards from a lower level it is usually called a raise; when sunk downward from a higher level it may be called a sump. The top of a winze is located underground and it is not equipped with winding gear. Rather, the access up and down between levels is usually via ladder. This is in contrast to a shaft, which is a deeper connection between levels and does have winding gear, whether the top of the excavation is located on the surface or underground.[2]

References

  1. ^ American Institute of Mining, Metallurgical, and Petroleum Engineers (1871). Transactions of the American Institute of Mining, Metallurgical and Petroleum Engineers. Vol. 41. New York [etc.] p. 20. Retrieved 2026-05-19.{{cite book}}: CS1 maint: multiple names: authors list (link)
  2. ^ Bruce, Thompson (2002). "Australian Handbook for the Conservation of Bats in Mines and Artificial Cave-Bat Habitats" (PDF). Australian Centre for Mining Environmental Research. p. 4. Retrieved 2009-04-02.
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