au.\*:("HALLBERG GR")
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APPLICATION OF SATELLITE REMOTE SENSING TO MIDWEST QUATERNARY GEOLOGY.HALLBERG GR.sdDISSERT. ABSTR. INTERNATION., B; U.S.A.; RESUME,1976, VOL. 36, NUM. 0008, P. 3827 A 3828Serial Issue
PLEISTOCENE STRATIGRAPHY IN EAST-CENTRAL IOWA = LA STRATIGRAPHIE DU PLEISTOCENE DU CENTRE EST DE L'IOWAHALLBERG GR.1980; IOWA GEOL. SURV., TECH. INFORM. SER.; USA; DA. 1980; NO 10; 168 P.; BIBL. 6 P.; 47 TAB. ; TABL./COUPE GEOL./ILL./ESQUISSE/ESQUISSE GEOL.Serial Issue
REINVESTIGATION OF GLACIAL DEPOSITS AND VOLCANIC ASHES IN SOUTHWEST IOWAHALLBERG GR.1980; IOWA GEOL.; USA; DA. 1980; NO 5; PP. 8-10Article
WIND-ALIGNED DRAINAGE IN LOESS IN IOWAHALLBERG GR.1979; PROC. IOWA ACAD. SCI.; USA; DA. 1979; VOL. 86; NO 1; PP. 4-9; BIBL. 22 REF.; 6 ILL.Article
THE USE OF COLE VALUES FOR SOIL ENGINEERING EVALUATION.HALLBERG GR.1977; SOIL SCI. SOC. AMER. J.; U.S.A.; DA. 1977; VOL. 41; NO 4; PP. 775-777; BIBL. 8 REF.; 2 ILL.Article
COMMENT ON "PACIFIC PLEISTOCENE PALEOCLIMATIC STRATIGRAPHIES: A COMPARATIVE ANALYSIS OF RESULTS", BY MARK J. VALENCIAHALLBERG GR; FENTON TE.1979; QUATERN. RES.; USA; DA. 1979; VOL. 12; NO 2; PP. 290-291; BIBL. 8 REF.Article
A LATE-GLACIAL POLLEN SEQUENCE FROM NORTHEASTERN IOWA: SUMNER BOG REVISITED.VAN ZANT KL; HALLBERG GR.1976; IOWA GEOL. SURV., TECH. INFORM. SER.; U.S.A.; DA. 1976; NO 3; PP. 1-17; BIBL. 2 P.; 4 ILL.Serial Issue
SUMMARY OF MULTISPECTRAL FLOOD INUNDATION MAPPING IN IOWA.HOYER BE; HALLBERG GR; TARANIK JV et al.1974; IOWA GEOL. SURV., PUBLIC INFORM. CIRC; USA; 1974, NUM. 0007, P. 1 A 57Serial Issue
A FARMDALIAN POLLEN DIAGRAM FROM EAST-CENTRAL IOWA = DIAGRAMME POLLINIQUE FARMDALIEN DE L'IOWA EST-CENTREVANZANT KL; HALLBERG GR; BAKER RG et al.1980; PROC. IOWA ACAD. SCI.; ISSN 0085-2236; USA; DA. 1980; VOL. 87; NO 2; PP. 52-55; BIBL. 18 REF.; ILL.Article
A MID-WISCONSINAN POLLEN DIAGRAM FROM DES MOINES COUNTRY, IOWA = DIAGRAMME POLLINIQUE DU WISCONSIN MOYEN DU COMTE DES MOINES, IOWAHALLBERG GR; BAKER RG; LEGG T et al.1980; PROC. IOWA ACAD. SCI.; ISSN 0085-2236; USA; DA. 1980; VOL. 87; NO 2; PP. 41-44; BIBL. 15 REF.; ILL.Article
A CENTURY OF SOIL DEVELOPMENT IN SPOIL DERIVED FROM LOESS IN IOWA.HALLBERG GR; WOLLENHAUPT NC; MILLER GA et al.1978; SOIL SCI. SOC. AMER. J.; U.S.A.; DA. 1978; VOL. 42; NO 2; PP. 339-343; BIBL. 22 REF.; 2 ILL.Article
IRRIGATION IN IOWA. I. THE QUESTION OF WATER AVAILABILITY. II. AN OVERVIEW OF THE NEEDS, THE COSTS, THE PROBLEMS.KOCH DL; HORICK PJ; HALLBERG GR et al.1976; IOWA GEOL. SURV., TECH. INFORM. SER.; U.S.A.; DA. 1976; NO 5; PP. (61P.); BIBL. 1 P.; 19 ILL.Serial Issue
BOREHOLE SHEAR TEST IN GEOTECHNICAL INVESTIGATIONS = LES ESSAIS DE CISAILLEMENT DANS LES SOUDAGES DANS LES RECHERCHES GEOTECHNIQUESLUTENEGGER AJ; HALLBERG GR; YONG RN ED et al.1981; ASTM SPEC. TECH. PUBL.; ISSN 0066-0558; USA; DA. 1981; NO 740; PP. 566-578; BIBL. 18 REF.; ILL.Conference Paper