Coal losses in Ohio
By: by James D. Sisler, C. A. Allen, foreword by H. E. Nold.
Contributors: Allen, C. A. 1883-1923, joint author.; United States. Bureau of Mines.
Series: The Ohio State University. The Engineering Experiment Station. Bulletin; no. 29; The Ohio State University. University studies.; vol. I, no. 4, May 15, 1925; Bulletin (Ohio State University. Engineering Experiment Station : 1921) ;; no. 29.
Publisher: The Engineering Experiment Station of the Ohio State University
Published: 1925
Place of publication: Columbus, O
Language: eng
Number of pages: 64
Subjects: Coal mines and mining -- Ohio.
Notes: "This report ... is taken from Appendix to the Bureau of mines chapter devoted to the State of Ohio and embraced in its report to the Coal Commission."