Creator: Ash, S. H. (Simon Harry), b. 1889; Kennedy, D. O.; Link, H. B. & Romischer, W. M.
Description: From Summary: "The investigation of barrier pillars in the Western Middle field is part of the comprehensive study of mine-water problem in the anthracite region of Pennsylvania by the Federal Bureau of Mines (1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16)." From Introduction: "The purpose of this report is to give factual data on barrier pillars that will be helpful in solving the mine-water problem."
Contributing Partner: UNT Libraries Government Documents Department