"The Natural gas fields of Eastern United States and their probable future life."; "Moyer, W. Irwin."; "Natural gas--United States."; "Moyer, W. Irwin."; "undated"; "

Pamphlet. \"Fifteenth annual meeting of the Natural Gas Association of America.\"

"; ""; "P15572"; "pec"; "Natural gas--United States."; "14256"; .