"Note on a very deep well near McDonald, Pennsylvania."; "White, I. C. (Israel Charles), 1848-1927."; "Borings--Pennsylvania.", "Natural gas--Pennsylvania."; "White, I. C. (Israel Charles), 1848-1927."; "1913"; "Journal article reprint from: Bulletin of the Geological Society of America, v.24 (1913:June 10). "; ""; "P1210"; "pec"; "Borings--Pennsylvania.", "Natural gas--Pennsylvania."; "14256"; .