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pit lignite miningTopics by Science.gov

Methodology of selecting dozers for lignite open pit mines in Serbia. SciTech Connect. Stojanovic, D.; Ignjatovic, D.; Kovacevic, S. 1996 12 31. Apart from the main production processes (coal and overburden mining, rail conveyors transportation and storage of excavated masses) performed by great capacity mechanization at open pit mines, numerous and different auxiliary works, that often have

open pit copperTopics by Science.gov

Apr 01, 2018 · Long term monitoring of water basin of an abandoned copper open pit mine. NASA Astrophysics Data System (ADS) Nikolov, H.; Borisova, D. 2012 04 01. Nonoperating open pit mines, very often as a matter of fact abandoned, create serious ecological risk for the region of their location especially for the quality of the water since the rainfall fills the bottom of the pit forming water body

open pit copperTopics by Science.gov

Apr 01, 2018 · Long term monitoring of water basin of an abandoned copper open pit mine. NASA Astrophysics Data System (ADS) Nikolov, H.; Borisova, D. 2012 04 01. Nonoperating open pit mines, very often as a matter of fact abandoned, create serious ecological risk for the region of their location especially for the quality of the water since the rainfall fills the bottom of the pit forming water body

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