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2. Mining lamp - Wikipedia

   en.wikipedia.org/wiki/Mining_lamp

   A modern LED mining lamp. A mining lamp is a lamp, developed for the rigid necessities of underground mining operations. Most often it is worn on a hard hat in the form of a headlamp .

3. Underground hard-rock mining - Wikipedia

   en.wikipedia.org/wiki/Underground_hard-rock_mining

   A 3D diagram of a modern underground mine with shaft access. Underground hard-rock mining refers to various underground mining techniques used to excavate "hard" minerals, usually those containing metals, [ 1] such as ore containing gold, silver, iron, copper, zinc, nickel, tin, and lead. It also involves the same techniques used to excavate ...

4. Federal Mines Safety Act of 1910 - Wikipedia

   en.wikipedia.org/wiki/Federal_Mines_Safety_Act...

   Signed into law by President William Howard Taft on May 16, 1910. Federal Mines Safety Act of 1910 was a United States statute passed for the purposes of establishing the United States Bureau of Mines as a federal agency of the United States Department of the Interior. The Act of Congress authorized investigations of mining methods with an ...

5. Underground soft-rock mining - Wikipedia

   en.wikipedia.org/wiki/Underground_soft-rock_mining

   Underground soft-rock mining. Underground soft-rock mining is a group of underground mining techniques used to extract coal, oil shale, potash, and other minerals or geological materials from sedimentary ("soft") rocks. [ 1] Because deposits in sedimentary rocks are commonly layered and relatively less hard, the mining methods used differ from ...

6. Miner's cap - Wikipedia

   en.wikipedia.org/wiki/Miner's_cap

   The miner's cap ( German: Fahrhaube) is part of the traditional miner's costume. It consists of a white material (linen) and served in the Middle Ages to protect the miner when descending below ground ( unter Tage ). Later it was replaced by the miner's hat ( Fahrhut or Schachthut ), from which the leather cap or helmet were developed and ...

7. Harrison County History of Coal Museum - Wikipedia

   en.wikipedia.org/wiki/Harrison_County_History_of...

   The Harrison County History of Coal Museum, also known as the Puskarich Coal Museum, is a non-profit educational museum featuring information about coal mining. It opened in May 1994 in Cadiz, Ohio in the lower level of the Puskarich Public Library. The museum is open during the libraries' normal business hours from Monday - Thursday 9:00-8:00 ...