Optical rock dust meter field evaluation

Author:	Sapko, M. J.
Additional Authors:	Perlee, Henry E., Greninger, Nevin.
Year:	1991
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:9385
Series:	Report of investigations / Bureau of Mines ;
Report Number:	9385
Subjects:	Mine dusts--Measurement
	Optical instruments
	Reflectometer
Links:	https://hdl.handle.net/2027/mdp.39015077558248
	no.9385 1991