TR / RI-9299
Gregary J. Chekan
Intevactions between multiple seam longwall and room-and pillar operations : a case study in boone county, WV / .- ,
Author Added Entry:
J. Matetic Rudy;
Copy Details:
Acc. No.: TR6672, Full Call No.: TR RI-9299, Item type: Technical Report , Location: General Stacks,
------------------------- --------------------- ------ --------- ------- ------- --------- --------
Gregary J. Chekan
Intevactions between multiple seam longwall and room-and pillar operations : a case study in boone county, WV / .- ,
Author Added Entry:
J. Matetic Rudy;
Copy Details:
Acc. No.: TR6672, Full Call No.: TR RI-9299, Item type: Technical Report , Location: General Stacks,
------------------------- --------------------- ------ --------- ------- ------- --------- --------