TR / IC-9300
Robert H. Peters
Miners views about why people go under unsupported roof and how to stop them / .- ,
Author Added Entry:
Robert F. Randolph;
Copy Details:
Acc. No.: TR6503, Full Call No.: TR IC-9300, Item type: Technical Report , Location: General Stacks,
------------------------- --------------------- ------ --------- ------- ------- --------- --------
Robert H. Peters
Miners views about why people go under unsupported roof and how to stop them / .- ,
Author Added Entry:
Robert F. Randolph;
Copy Details:
Acc. No.: TR6503, Full Call No.: TR IC-9300, Item type: Technical Report , Location: General Stacks,
------------------------- --------------------- ------ --------- ------- ------- --------- --------