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Showing: 1 to 10 of 16 matches for "zachar"  Page   1   2 TITLE Some Effects Of Sewickley Seam Mining On Later Pittsburgh Seam Mining  SUMMARY ... Pittsburgh Seam Mining by F. R. Zachar ... F. R. ZACHAR, Member AIME, is General Superintendent with the Christopher Coal Co., Pursglove, W. Va. ... AUTHOR Zachar, F. R. PUBLISHED 1952 TITLE Coal - Some Effects of Sewickley Seam Mining on Later Pittsburgh Seam Mining  SUMMARY Page 1. Some Effects of Sewickley Seam Mining on Later Pittsburgh Seam Mining by F. R. Zachar Unmined blocks in the Sewickley seam ... AUTHOR Zacher, F. R. PUBLISHED 1953 TITLE Officers And Committees  SUMMARY ... 111, C. W. Porterfield, JJ Reilly, C. E. Silverblatt, W. S. Springer, Carl S. Westerberg. Development and Plant Design: Frank R. Zachar, Chairman; JW Andrews. ... PUBLISHED 1961 TITLE Society Of Mining Engineers Of AIME - Officers And Committees  SUMMARY ... Development and Plant Design: Frank R. Zachar, Chairman; F. P. Calhoun. Vice- Chairman; Donald H. Dowlin. J. W. Andrews, Jr.. J. W. Apothekcr. William Bcnzon. ... PUBLISHED 1961 TITLE 1963 Membership Directory  SUMMARY ... F. H. $2 (In charge of ASME-AIME National Power Conference) Zachar, Vice Chairman; Laning Dress, Wm. E. Foreman, Edward Members: Stephen ... PUBLISHED 1963 TITLE Multiple Seam Mine Design  SUMMARY ... Zachar, F. R. (1952), "Some Effects of Sewickley Seam Mining on Later Pittsburgh Seam Mining," Trans., AIME, Mining Engineering, July, pp. 687- 692. AUTHOR Haycocks, C. ; Karmis, M. ; Ehgartner, B. PUBLISHED 1982 TITLE Multiple Seam Longwall Mining In The U.S.—Lessons For Ground Control  SUMMARY ... been some mining in the Sewickley seam that overlies the Pittsburgh, and in the distant past it caused some disruption in the Pittsburgh (Zachar, 1952), but it ... AUTHOR Mark, C. PUBLISHED 2007 TITLE The Economics of Coal Preparation  SUMMARY Chapter 5 THE ECONOMICS OF COAL PREPARATION F. R. ZACHAR, Chief Mining Engineer, Joy Manufacturing Co. ... Page 2. INTRODUCTION by F. R. ZACHAR and A. G. GILBERT ... AUTHOR Zachar, F. R. ; Gilbert, A. G. ; Humphreys, Kenneth K. PUBLISHED 1968 TITLE AIME News - Annual Meeting Features 38 Mining Branch Sessions  SUMMARY Page 1. - AIME OFFICERS Willls McG. Peirce, President Vice Presidents A. B. Kinzel Philip Kraft R. W. Thomas J. L. Gillson ML Hoider ... PUBLISHED 1952 TITLE Index  SUMMARY Page 1. INDEX Transactions, Mining Branch American Institute of Mining and Metallurgical Engineers January- December 1952, Vol. 193 ... PUBLISHED 1953 Showing: 1 to 10 of 16 matches for "zachar"  Page   1   2 Search Again