"West Virginia University School of Mines Twelfth Appalachian Gas Measurement Short Course instructional staff service certificate."; "West Virginia University. School of Mines."; "Appalachian Gas Measurement Short Course (12th : 1952 : Morgantown, W. Va.)"; "West Virginia University. School of Mines."; "1952"; "

Certificate.

"; ""; "P20893"; "pec"; "Appalachian Gas Measurement Short Course (12th : 1952 : Morgantown, W. Va.)"; "14256"; .