Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, University of Illinois at Urbana-Champaign
Cover-title.At head of title: University of Illinois bulletin. vol. III, no. 22."Publications of the...
Prepared under a cooperative agreement between the Engineering Experiment Station of the University ...
On cover: University of Illinois bulletin. vol. XXXV, no. 20."Recent bibliography of mine-ventilatio...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Conducted by the Engineering Experiment Station, University of Illinois, in cooperation ...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover-title.At head of title: University of Illinois bulletin. vol. III, no. 22."Publications of the...
Prepared under a cooperative agreement between the Engineering Experiment Station of the University ...
On cover: University of Illinois bulletin. vol. XXXV, no. 20."Recent bibliography of mine-ventilatio...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Conducted by the Engineering Experiment Station, University of Illinois, in cooperation ...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover title.Prepared as part of an investigation conducted by the Engineering Experiment Station, Un...
Cover-title.At head of title: University of Illinois bulletin. vol. III, no. 22."Publications of the...
Prepared under a cooperative agreement between the Engineering Experiment Station of the University ...
On cover: University of Illinois bulletin. vol. XXXV, no. 20."Recent bibliography of mine-ventilatio...