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Geology of the oil and gas fields of the Clarion quadrangle,

APA Citation

Munn, M. John., Geological Survey (U.S.). (1910). Geology of the oil and gas fields of the Clarion quadrangle. Harrisburg: C. E. Aughinbaugh, printer to the state of Pennsylvania.

MLA Citation

Munn, Malcolm John, 1874-, and Geological Survey (U.S.). Geology of the Oil And Gas Fields of the Clarion Quadrangle. Harrisburg: C. E. Aughinbaugh, printer to the state of Pennsylvania, 1910.

Warning: These citations may not always be complete (especially for serials).