kw.\*:("MAC-KEAN")
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OIL AND GAS GEOLOGY OF THE KINZUA QUADRANGLE, WARREN AND MCKEAN COUNTIES, PENNSYLVANIA.LYTLE WS; GOTH JH.1970; PENNSYLVANIA TOPOGR. GEOL. SURV., BULL., M; USA; 1970, NUM. 0062, P. 1 A 99Miscellaneous
