Mining Laws of Ohio, 1921, Complied by The Department of Industrial Relations. 4" x 6" 209-pages. contents: Realting to chief and district inspectors. Relating to county record and county coroner. Relating to superintendent, mine foreman and over-seer. Relating to illuminating oil for mines. Relating to fines collected,prosecutions, when act takes effect,and repeals. Relating and prohibiting solid shooting, and more. Has light wear and slight soiling.