Bureau of Mines midget impinger

Author: Schrenk, H. H.
Additional Authors: Feicht, Florence L.
Year: 1939
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:7076
Series: Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number: 7076
Subjects: Mineral dust--Sampling
Dust--Measurement
Link: https://hdl.handle.net/2027/mdp.39015077570474

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