Mine gases and ventilation: textbook for students of mining, mining engineers and candidates preparing for mining examinations designed for working ... the safe and efficient operation ... [ 1920 ]

Originally published in 1920. This volume from the Cornell University Library's print collections was scanned on an APT BookScan and converted to JPG 2000 format by Kirtas Technologies. All titles scanned cover to cover and pages may include marks notations and other marginalia present in the original volume.