REPRODUCTIVE CHARACTERISTICS OF THE CUI-UI LAKESUCKER (CHASMISTES CUJUS COPE) AND ITS SPAWNING BEHAVIOR IN PYRAMID LAKE, NEVADA = CARACTERISTIQUES DE LA REPRODUCTION DE C.C. ET COMPORTEMENT DE PONTE DANS LE LAC PYRAMIDE, NEVADAKOCH DL.1973; TRANS. AMER. FISH. SOC.; U.S.A.; DA. 1973; VOL. 102; NO 1; PP. 145-149; BIBL. 10 REF.Serial Issue

A NEW UPPER DEVONIAN CYSTOID ATTACHED TO A DISCONTINUITY SURFACE.KOCH DL; STRIMPLE HL.1968; IOWA GEOL. SURV., REP. INVEST.; USA; 1968, NUM. 0005, P. 1 A 49Miscellaneous

UPPER LETHAL TEMPERATURE RANGE OF LAHONTAN CUTTHROAT TROUT IN WATERS OF DIFFERENT IONIC CONCENTRATIONVIGG SC; KOCH DL.1980; TRANS. AMER. FISH. SOC.; USA; DA. 1980; VOL. 109; NO 3; PP. 336-339; BIBL. 17 REF.Article

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TOLERANCE OF DEVELOPING SALMONID EGGS AND FRY TO NITRATE EXPOSUREKINCHELOE JW; WEDEMEYER GA; KOCH DL et al.1979; BULL. ENVIRONMENT. CONTAMIN. TOXICOL.; USA; DA. 1979; VOL. 23; NO 4-5; PP. 575-578; BIBL. 4 REF.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

THE YELLOW SPRING GROUP OF THE UPPER DEVONIAN IN IOWA.DORHEIM FH; KOCH DL; PARKER MC et al.1969; IOWA GEOL. SURV., REP. INVEST.; USA; 1969, NUM. 0009, P. 3 A 26Miscellaneous

COMMENT AND REPLY ON 'AN ISOTOPIC PALEOTEMPERATURE RECORD FOR LATE WISCONSINAN TIME IN NORTHEAST IOWA' = PALEOTEMPERATURE ISOTOPIQUE POUR LE WISCOUSINIEN SUPERIEUR DU NE DE L'IOWAMORAN JM; STIEGLITZ RD; HARMON RS et al.1980; GEOLOGY (BOULDER); ISSN 0091-7613; USA; DA. 1980; VOL. 8; NO 6; PP. 263-265; BIBL. 18 REF.Article