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Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … Wikipedia
Uranium mining in Colorado — Uranium mining in Colorado, United States, goes back to 1872, when pitchblende ore was taken from gold mines near Central City, Colorado. The Colorado uranium industry has seen booms and busts, but continues to this day. Not counting byproduct… … Wikipedia
Copper mining in the United States — US primary copper production 1900 2008. Source: USGS … Wikipedia
pod — pod1 podlike, adj. /pod/, n., v., podded, podding. n. 1. a somewhat elongated, two valved seed vessel, as that of the pea or bean. 2. a dehiscent fruit or pericarp having several seeds. 3. Entomol. a. an insect egg case. b. a compact mass of… … Universalium

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