Add to ORKGTechnical paper issued by the Bureau of Mines over studies on dust respirators. The development and efficiency of the respirators are discussed. This paper includes tables, illustrations, and photographs
Technical paper issued by the Bureau of Mines over tests conducted on ground resistivity with a megg...
Technical paper issued by the Bureau of Mines over analyses of coals from many western states. The c...
Technical paper issued by the Bureau of Mines over studies of West Virginia coal fields. Characteris...
Technical paper issued by the Bureau of Mines over the development of carbon monoxide alarms and rec...
Technical paper issued by the Bureau of Mines over gas masks developed for gasoline and petroleum va...
Technical paper issued by the Bureau of Mines over studies on low-temperature carbonization of coal....
In This Chapter [MSHA regulations for coal mines MSHA regulations for metal/nonmetal mines O...
Technical paper issued by the Bureau of Mines over studies in mine safety and communication. The met...
Technical paper issued by the Bureau of Mines over safety prevention in coal mines. Preventing mine ...
Technical paper issued by the Bureau of Mines over studies of analyses of coals. The results are dis...
Technical paper issued by the Bureau of Mines over the introduction of underground latrines in mines...
Technical paper issued by the Bureau of Mines over progress made for thawing gravel in placer mines....
Report issued by the U.S. Bureau of Mines discussing a revision on the breathing devices approved fo...
Technical paper issued by the Bureau of Mines over the use of manganese with iron ore. Different use...
Technical paper issued by the Bureau of Mines over mining of red iron ores in Birmingham, Alabama. A...
Technical paper issued by the Bureau of Mines over tests conducted on ground resistivity with a megg...
Technical paper issued by the Bureau of Mines over analyses of coals from many western states. The c...
Technical paper issued by the Bureau of Mines over studies of West Virginia coal fields. Characteris...
Technical paper issued by the Bureau of Mines over the development of carbon monoxide alarms and rec...
Technical paper issued by the Bureau of Mines over gas masks developed for gasoline and petroleum va...
Technical paper issued by the Bureau of Mines over studies on low-temperature carbonization of coal....
In This Chapter [MSHA regulations for coal mines MSHA regulations for metal/nonmetal mines O...
Technical paper issued by the Bureau of Mines over studies in mine safety and communication. The met...
Technical paper issued by the Bureau of Mines over safety prevention in coal mines. Preventing mine ...
Technical paper issued by the Bureau of Mines over studies of analyses of coals. The results are dis...
Technical paper issued by the Bureau of Mines over the introduction of underground latrines in mines...
Technical paper issued by the Bureau of Mines over progress made for thawing gravel in placer mines....
Report issued by the U.S. Bureau of Mines discussing a revision on the breathing devices approved fo...
Technical paper issued by the Bureau of Mines over the use of manganese with iron ore. Different use...
Technical paper issued by the Bureau of Mines over mining of red iron ores in Birmingham, Alabama. A...
Technical paper issued by the Bureau of Mines over tests conducted on ground resistivity with a megg...
Technical paper issued by the Bureau of Mines over analyses of coals from many western states. The c...
Technical paper issued by the Bureau of Mines over studies of West Virginia coal fields. Characteris...