01352nam 2200361Ka 450 991069645820332120080306131641.0(CKB)5470000002378259(OCoLC)212909512(EXLCZ)99547000000237825920080306d1995 ua 0engtxtrdacontentcrdamediacrrdacarrierDust collector discharge shroud reduces dust exposure to drill operators at surface coal mines[electronic resource]Washington, DC :Bureau of Mines, U.S. Dept. of the Interior,[1995]2 unnumbered pages digital, PDF fileTechnology news ;no. 447Title from title screen (viewed on Mar. 6, 2008)."March 1995."" ... the principal investigators, John A. Organiscak ... Steven J. Page ... " - p. [2].Strip miningDust controlUnited StatesStrip miningDust controlOrganiscak John A1404136Page Steven J1406505United States.Bureau of Mines.GPOGPOBOOK9910696458203321Dust collector discharge shroud reduces dust exposure to drill operators at surface coal mines3485685UNINA