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LEADER 01727cam a2200433 a 4500

001 ocm30616923;

003 OCoLC;

005 20141208174815.0;

007 he bmb024bbca;

008 940616s1993 dcua bb f000 0 eng d;

035 a| (Sirsi) o30616923;

035 a| (OCoLC)30616923;

040 d| GPOd| DLCd| UtOrBLW;

043 a| n-us---;

049 a| ERE$;

074 a| 0637-A (MF);

086 0 a| I 28.23:9479;

100 1 a| Hjelmstad, Kenneth E.=| ^A447296;

245 10 a| Effect of ultralow frequency signaling on blasting array current /c| by Kenneth E. Hjelmstad and Russell E. Griffin.;

260 a| Washington, D.C. :b| U.S. Dept. of the Interior, Bureau of Mines,c| 1993.;

300 a| 7 pages :b| illustrations ;c| 28 cm.;

336 a| text2| rdacontent;

337 a| microform2| rdamedia;

338 a| microfiche2| rdacarrier;

490 1 a| Report of investigations ;v| 9479;

500 a| Distributed to depository libraries in microfiche.;

500 a| Shipping list no.: 94-0277-M.;

504 a| Includes bibliographical references (p. 7).;

650 0 a| Electric detonatorsx| Safety measures.=| ^A687174;

650 0 a| Electromagnetic wavesx| Transmission.=| ^A116054;

650 0 a| Fire alarms.=| ^A102281;

700 1 a| Griffin, Russell E.=| ^A444766;

710 1 a| United States.b| Bureau of Mines.=| ^A15791;

776 0 c| Originalw| (OcoLC) 28547170;

830 0 a| Report of investigations (United States. Bureau of Mines)v| 9479.=| ^A429518;

596 a| 1;

998 a| 727888;

999 a| I 28.23:9479w| SUDOCc| 1i| MQ1346488d| 8/6/2007l| JDOMIm| JOYNERr| Ys| Yt| JDOFMIu| 5/4/2000x| MICROFORMz| JFEDDOCSo| .STAFF. 0;

Effect of ultralow frequency signaling on blasting array current / by Kenneth E. Hjelmstad and Russell E. Griffin.

Author/creator	Hjelmstad, Kenneth E.
Other author	Griffin, Russell E.
Other author	United States. Bureau of Mines.
Format	Microform
Publication Info	Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1993.
Description	7 pages : illustrations ; 28 cm.
Subjects	Electric detonators--Safety measures. Electromagnetic waves--Transmission. Fire alarms.

Series	Report of investigations ; 9479 Report of investigations (United States. Bureau of Mines) 9479. ^A429518
General note	Distributed to depository libraries in microfiche.
General note	Shipping list no.: 94-0277-M.
Bibliography note	Includes bibliographical references (p. 7).
Reproduction note	Joyner- Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1994] 1 microfiche : negative.
Issued in other form	Original
GPO item number	0637-A (MF)
Govt. docs number	I 28.23:9479

Library	Location	Call Number	Status	Item Actions
Joyner	Microforms B300	I 28.23:9479	✔ Available

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