000			01307cam a22002771 4500
001			l 22000227
003			DLC
005			20260227111528.0
008			890419s1922 dcua b f000 0 eng c
010			_al 22000227
035			_a(OCoLC)19569396
040			_aU.S. Dept. of Labor. Library _cPPCP _dOCoLC _dDLC
050	0	0	_aHD8051 _b.A62 no. 293
100	1		_aHoffman, Frederick L. _q(Frederick Ludwig), _d1865-1946.
245	1	4	_aThe problem of dust phthisis in the granite-stone industry, _cby Frederick L. Hoffman ... May, 1922.
260			_aWashington, _bGovt. print. off., _c1922.
300			_avi, 178 p. _bincl. tables, diagrs. _c23 cm.
490	0		_aBulletin of the United States Bureau of labor statistics ; _vno. 293. _aIndustrial accidents and hygiene series.
500			_aAt head of title: U.S. Department of labor, James J. Davis, secretary. Bureau of labor statistics, Ethelbert Stewart, commissioner.
500			_aIssued also as House doc. 275, 67th Cong., 2d sess.
500			_aPrevious investigations into the dust hazard of certain trades issued as Bulletins nos. 79, 82, and 231 of the U.S. Bureau of labor statistics.
504			_a"List of references": p. 163-167.
650		0	_aDust.
650		0	_aGranite industry and trade _xHealth aspects.
650		0	_aTuberculosis.
999			_c35648 _d35648