au.\*:("ROEN SB")
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GEOLOGY AND LAND USE IN EASTERN WASHINGTON COUNTY, PENNSYLVANIA, CALIFORNIA AND MONONGAHELA 71/2-MINUTE QUADRANGLES.SCHWEINFURTH SP; ROEN SB; KENT BH et al.1971; PENNSYLVANIA TOPOGR. GEOL. SURV., BULL., G; USA; 1971, NUM. 0056Miscellaneous
