LEADER 00000cam  2200000 a 4500 
001    8807071      
008    820901s1982    paua         f00000 eng d 
010    82600294 
035    83017715 
039 0  2|b3|c3|d3|e3 
040    DLC|cDLC|dGPO|dMvI 
074    637-A 
086 0  I 28.27:8903 
245 00 Alarm system for radiation working level, fan operation, 
       and air door position /|cby J.C. Franklin ...[et al.]. 
260    Pgh. [i.e. Pittsburgh], Pa. :|bU.S. Dept. of the Interior,
       Bureau of Mines,|c1982. 
300    17 p. :|bill. ;|c28 cm. 
490 1  Information circular ;|v8903. 
504    Bibliography: p. 17. 
650  0 Mine ventilation|xSafety measures. 
650  0 Electronic alarm systems. 
700 1  Franklin, John C. 
710 1  United States.|bBureau of Mines. 
830  0 Information circular (United States. Bureau of Mines) ;
       |v8903. 
LOCATION CALL # STATUS
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