USBM  / IC-8548 <br/>
Ferber,B I <br/>
       INSTRUMENTS FOR DETECTING GAS IN UNDERGROUND MINES AND TUNNELS. 
 / 
 .-  U. S. Dept. Of The Interior, Bureau Of Mines, [S. L.],  1970 
 .- 16 . 
<br/>Bound With Usbm Ic-8540-41,8543-44,8547,8549-50,8552,8554. 
<br/><U>Author Added Entry: </u><br/>Wieser,A H;
<br><U>Copy Details:</u><br> Acc. No.: <b>TR14570</b>, Full Call No.: USBM IC-8548,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>