TR / RI-9283
Timothy M. Barton
Field evaluation of three longwall pillar systems in a kentucky coal mine / .- ,
Author Added Entry:
Mark Ctristopher;
Copy Details:
Acc. No.: TR6656, Full Call No.: TR RI-9283, Item type: Technical Report , Location: General Stacks,
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Timothy M. Barton
Field evaluation of three longwall pillar systems in a kentucky coal mine / .- ,
Author Added Entry:
Mark Ctristopher;
Copy Details:
Acc. No.: TR6656, Full Call No.: TR RI-9283, Item type: Technical Report , Location: General Stacks,
------------------------- --------------------- ------ --------- ------- ------- --------- --------