LEADER 01245nam  2200349Ka 450 
001 9910696724303321
005 20080716100321.0
035   $a(CKB)5470000002381631
035   $a(OCoLC)234072415
035   $a(EXLCZ)995470000002381631
100   $a20080716d1984      ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 02$aA short-range locator system for detecting trapped miners$b[electronic resource] /$fby William E. Webb ... [and others]
210  1$a[Washington, D.C.?] :$cU.S. Dept. of the Interior, Bureau of Mines,$d[1984]
215   $aii, 22 pages $cdigital, PDF file
225 1 $aReport of investigations ;$v8844
300   $aTitle from title screen (viewed on July 15, 2008).
606   $aMine rescue work$xEquipment and supplies
606   $aMine communication systems
615  0$aMine rescue work$xEquipment and supplies.
615  0$aMine communication systems.
701   $aWebb$b William E$01399512
712 02$aUnited States.$bBureau of Mines.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910696724303321
996   $aA short-range locator system for detecting trapped miners$93464790
997   $aUNINA