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GEOLOGIC MAP OF THE SHENANDOAH QUADRANGLE SCHUYLKILL COUNTY, PENNSYLVANIA.WOOD GH JR; ARNDT HH.1969; U.S. GEOL. SURV., GEOL. QUADRANGLE MAPS; USA; 1969, NUM. 0781Miscellaneous

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GEOLOGIC MAPS OF ANTHRACITE-BEARING ROCKS IN THE WEST-CENTRAL PART OF THE SOUTHERN ANTHRACITE FIELD PENNSYLVANIA,WESTERN AREA.WOOD GH JR; TREXLER JP.1968; U.S. GEOL. SURV., MISC. GEOL. INVEST. MAP; USA; 1968Miscellaneous

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SYSTEMATIC JOINTING IN THE WESTERN PART OF THE ANTHRACITE REGION OF EASTERN PENNSYLVANIA.WOOD GH JR; ARNDT HH; CARTER D et al.1969; GEOL. SURV. U.S.A., BULL.; USA; 1969, NUM. 1271-00D , P. 1 A 17Miscellaneous

COAL RESOURCE ASSESSMENT IN THE UNITED STATES.ENGLUND KJ; CARTER MD; MILLER RL et al.1976; INTERNATION. INST. APPL. SYST. ANAL., CONF. PROC.; AUSTR.; DA. 1976; VOL. 76; NO 4; PP. 531-537; BIBL. 1 REF.; (CONF. ENERGY RESOUR. 1; LAXENBURG; 1975)Conference Paper

COAL RESOURCE ASSESSMENT IN THE UNITED STATES. = EVALUATION DES RESSOURCES EN CHARBON DES ETATS-UNISENGLUND RJ; CARTER MD; MILLER RL et al.1975; IN: INT. INST. APPL. SYST. ANAL. COMMUN.; LAXENBURG, AUSTRIA; 1975; S.L.; 1975, P. 1 A 12Miscellaneous