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- Investigation of dust in the air of granite-working plants
- Solubility of finely divided rock dusts in water, kerosine, and alcohol
- Efficiency of impingers for collecting lead dusts and fumes
- Microprojection method for counting impinger dust samples
- Relation of dust dissemination to water flow through rock drills
- Rock dusting and sampling including wet rock dusting at the Bureau of Mines experimental coal mine
- Rock-dust disseminator used in return air currents, Koehler Mine, Kaiser Steel Corp., Koehler, N. Mex.