Ellis, R. W. (Robert Walpole). (1923). Oil and gas in New Mexico in 1923,by Robert W. Ellis. Albuquerque: [State University of New Mexico].MLA Citation
Ellis, Robert W. (Robert Walpole), 1868-. Oil And Gas In New Mexico In 1923,by Robert W. Ellis. Albuquerque: [State University of New Mexico], 1923.
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