LEADER 01307nam  2200421   450 
001 9910707078003321
005 20180511163728.0
035   $a(CKB)5470000002460705
035   $a(OCoLC)1035422707
035   $a(EXLCZ)995470000002460705
100   $a20180511d1922      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aDrilling and dustiness of metal-mine air /$fby D. Harrington
210  1$a[Washington, D.C.] :$cU.S. Department of the Interior, Bureau of Mines,$d1922.
215   $a1 online resource (10 unnumbered pages)
225 1 $aReports of investigations ;$v2339
300   $aAt head of title: Bureau of Mines -- Department of the Interior.
300   $aIncludes tables.
300   $a"Serial no. 2339."
300   $a"March, 1922."
606   $aMine ventilation
606   $aMine dusts
606   $aBoring
615  0$aMine ventilation.
615  0$aMine dusts.
615  0$aBoring.
700   $aHarrington$b D$g(Daniel),$f1878-$01418884
712 02$aUnited States.$bBureau of Mines,
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910707078003321
996   $aDrilling and dustiness of metal-mine air$93531563
997   $aUNINA