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au.\*:("HELGERSON RN")

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BURNING SHALE AND CHALK DEPOSITS ALONG THE MISSOURI TRENCH IN SOUTH DAKOTA.HARKSEN JC; HELGERSON RN; STACH RL et al.sdIN: ROCKY MOUNTAIN ENERGY RESOUR. DISCOVERY DEV. 24TH ANNU. MEET. AM. ASSOC. PET. GEOL. 6TH ANNU. MEET. SOC. ECON. PALEONTOL. MINERAL.; ALBUQUERQUE, N.M.; 1975; S.L.; RESUME,, P. 16Miscellaneous

STREAM SEDIMENT DETAILED GEOCHEMICAL SURVEY FOR DATE CREEK BASIN, ARIZONA = ETUDE GEOCHIMIQUE DETAILLEE DES SEDIMENTS FLUVIATILES DU BASSIN DATE CREEK, ARIZONABUTZ TR; TIEMAN DJ; GRIMES JG et al.1981; ; USA; DA. 1981-06-30; GJBX/243-81/K/UR/34@ SUPPL. 1; 17; BIBL. 10 REF.; 2 TAB. ; ILL.Report

HYDROGEOCHEMICAL AND STREAM SEDIMENT DETAILED GEOCHEMICAL SURVEY FOR EDGEMONT, SOUTH DAKOTA; WYOMING = ETUDE GEOCHIMIQUE DETAILLEE DES SEDIMENTS FLUVIATILES ET HYDROGEOCHIMIQUE DE EDGEMONT, DAKOTA DU SUD, WYOMINGBUTZ TR; DEAN NE; BARD CS et al.1981; ; USA; DA. 1981-06-30; GJBX/230-81; 38; BIBL. 14 REF.; ILL.Report

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