@article{195556, recid = {195556}, author = {Jude, Charles V. and Vandergrift, Thomas L.}, title = {Backfilling materials and methods for stress transfer modification in deep longwall mines [microform] /}, publisher = {U.S. Dept. of the Interior, Bureau of Mines,}, address = {[Washington, D.C.?] :}, pages = {32 p. :}, year = {1995}, note = {Distributed to depository libraries in microfiche.}, url = {http://library.usi.edu/record/195556}, }