U.S. GOVERNMENT PRINTING OFFICE WASHINGTON: 1972 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402 - Price $2.75 (paper cover) Explanation. Table of Contents Page V Title 30: Chapter I-Bureau of Mines, Department of the Interior Chapter II-Geological Survey, Department of the Interior Chapter III-Board of Mine Operations Appeals, Department of the 571 Chapter IV-Federal Metal and Non-metallic Mine Safety Board of Review 573 Chapter V-Interim Compliance Panel (Coal Mine Health and 581 |