000 00817cam a22002291 4500
001 l 39000104
003 DLC
005 20260227111537.0
008 800418s1939 dcua b f000 0 eng c
010 _al 39000104
035 _a(OCoLC)6218327
040 _aU.S. Dept. of labor. Libr.
_cOCl
_dDLC
042 _apremarc
050 0 0 _aHD7264
_b.U6 1939a
110 1 _aUnited States.
_bBureau of Labor Standards.
245 1 0 _aSilicosis prevention;
_bdust control in foundries.
_cUnited States Department of labor. Frances Perkins, secretary. Division of labor standards. Verne A. Zimmer, director.
260 _aWashington,
_bU.S. Govt. print. off.,
_c1939.
300 _aiii, 25 p.
_billus., diagrs.
_c23 cm.
504 _a"Selected references": p. 25.
650 0 _aLungs
_xDust diseases.
650 0 _aFoundries.
999 _c36302
_d36302