@article{024-004-01969-7, recid = {25483}, author = {Skow, Milford L.}, title = {Creating a safer environment in U.S. coal mines : the Bureau of Mines methane control program, 1964-79 /}, publisher = {U.S. Dept. of the Interior, Bureau of Mines,}, address = {[Washington, D.C.?] :}, number = {024-004-01969-7}, pages = {50 p. :}, year = {1980}, note = {At head of title: A Bureau of Mines impact report.}, url = {http://library.usi.edu/record/25483}, }