01223nam a2200325Ia 4500010824652MiAaHDL20110928000000.0m d cr bn ---auaua830221s1892 paua 000 0 eng 06022672sdr-ucsd.b43632257DLCNMTNMTCUSUtOrBLWTN301.A87TN301.A87 1892(OCoLC)9240811Atkinson, A. AA key to mine ventilation /by A.A. Atkinson ; embracing the papers of an elementary treatise on the principles of coal mining, recently published in the Colliery engineer, as far as they relate to mine ventilationScranton, Pa. :Colliery Engineer Co.,1892157 p. :ill. ;18 cmMode of access: Internet.Coal mines and miningMine ventilationLingenfelter, Richard E.,former ownerRichard and Naomi Lingenfelter Western Mining Collection01082465220070529163614.020110928000000.020120815103945.02024-10-22T18:16:46Z2024-10-22T17:30:02ZSDR-UCSDIII - MILLENIUMloader.pl-001-001BKsdr-ucsd.b43632257uc1SDRUCSDuc1.31822038209235UC.b43632257UCUCSD20241022googleuc1.318220382092351892pdbibUS bib date1 < 1931