by United States. Bureau of Mines
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The Nitration Of Toluene
Mineral facts and problems
Mineral Resources Of The United States, ...
Bulletin
Coke plants in the United States on Dece...
Mineral resources of the United States
Determining the source of longwall gob g...
Remote fiber-optic methane monitor
A proposal for destroying the fire and c...
Metanonadmirnistʹ i provitri͡u︡vanni͡a︡ ...
Geology, mining, and methane content of ...
Vydelenie metana v ugolʹnykh shakhtakh