SILURIAN REEF GEOMETRY - NEW DIMENSIONS TO EXPLORE SEPM PRESIDENTIAL ADDRESS, WASHINGTON, D.C., JUNE 13, 1977.SHAVER RH.1977; J. SEDIMENT. PETROL.; U.S.A.; DA. 1977; VOL. 47; NO 4; PP. 1409-1424; BIBL. 16 REF.Article

THE NORTHERN MISSISSIPPI EMBAYMENT - A LATENT PALEOZOIC OIL PROVINCE.SCHWALB H.1971; ILLINOIS STATE GEOL. SURV., ILLINOIS PETROLEUM; USA; 1971, NUM. 0095, P. 44 A 49Miscellaneous

GEOLOGY AND MINERAL DEPOSITS,MIDCONTINENT UNITED STATES.SNYDER FG.1968; ORE.DEPOSITS.OF.THE.UNITED.STATES.1933-1967.GRATON-SALES.AIME.NEW-YOR; 1968, VOL. 1, P. 257 A 286Miscellaneous

PRELIMINARY RECONNAISSANCE FOR URANIUM IN ARKANSAS, ILLINOIS, KENTUCKY, MICHIGAN, MINNESOTA, MISSOURI, OHIO AND WISCONSIN, 1952 TO 1956.1968; RME.150.MICROFICHE.; 1968(8), P. 1 A 89Miscellaneous

TACONITE PROGRESS REPORT. MASSIVE EXPANSIONS BY THE LAKE SUPERIOR PELLET PRODUCERS HAVE INCREASED REGIONAL CAPACITY BY 31 MTPYHOPPE WR; THOMAS RA.1979; ENGNG MING J.; USA; DA. 1979; VOL. 180; NO 9; PP. 64-143; (50 P.); 15 ILL.Article

LATE GLACIAL AND POSTGLACIAL VEGETATIONAL HISTORY IN THE NORTH-CENTRAL APPALACHIAN REGION.STINGELIN RW.1967; GEOL. SOC. AMER., ABSTR. PROGRAMS; USA; 1967(11)Miscellaneous

USE OF SEISMIC MODELING FOR REEF EXPLORATION IN MICHIGAN BASIN.JACKSON W; HILTERMAN F.1978; AMER. ASS. PETROLEUM GEOLOGISTS BULL.; U.S.A.; DA. 1978; VOL. 62; NO 3; PP. 525-526; (1978 AAPG-SEPM ANNU. CONV. PROGRAM. ABSTR.; OKLAHOMA CITY; 1978)Conference Paper

LATE PLEISTOCENE AND POSTGLACIAL PLANT COMMUNITIES OF THE GREAT LAKES REGION.KAPP RO.1977; IN: GEOBOT. CONF. PROC.; BOWLING GREEN, OHIO; 1976; NEW YORK; PLENUM PRESS; DA. 1977; PP. 1-26; BIBL. 8 P. 1/2; 10 ILL.Conference Paper

THE RETURN OF AQUATIC VASCULAR PLANTS INTO THE GREAT LAKES REGION AFTER LATE-WISCONSIN GLACIATION.VESPER SJ; STUCKEY RL.1977; IN: GEOBOT. CONF. PROC.; BOWLING GREEN, OHIO; 1976; NEW YORK; PLENUM PRESS; DA. 1977; PP. 283-299; BIBL. 3 P. 1/2; 8 ILL.Conference Paper

A RE-ASSESSMENT OF THE UPPER MISSISSIPPI VALLEY LEAD ISOTOPE DATARICHARDS JR; YONK AK; KEIGHIN CW et al.1972; MINER. DEPOSITA; ALLEM.; 1972, VOL. 7, NUM. 0003, P. 285 A 291Serial Issue

QUALITY OF SURFACE WATERS OF THE UNITED STATES, 1967. III-IV. OHIO RIVER BASIN ST. LAWRENCE RIVER BASIN.1971; GEOL. SURV. U.S.A., WAT. SUPPLY PAPER; USA; 1971, NUM. 2012Miscellaneous

SURFACE WATER SUPPLY OF THE UNITED STATES 1961-65. V. HUDSON BAY AND UPPER MISSISSIPPI RIVER BASINS. 3. UPPER MISSISSIPPI RIVER BASIN BELOW KEOKUK, IOWA.1971; GEOL. SURV. U.S.A., WAT. SUPPLY PAPER; USA; 1971, NUM. 1915Miscellaneous

DEVONIAN OF THE NORTH-CENTRAL REGION,UNITED STATES.COLLINSON C; BECKER LE; JAMES GW et al.1967; INTERNAT.SYMPOSIUM.ON.THE.DEVONIAN.SYSTEM.CALGARY.; 1967, VOL. 1, P. 933 A 971Miscellaneous

GYPSUM RESOURCES OF THE MIDWESTERN UNITED STATES (ABSTRACT).CLEVELAND JH; TIEFEL CF.1969; PROC. INDIANA ACAD. SCI; USA; 1969, VOL. 78Miscellaneous

THE LITHOSTRATIGRAPHY OF THE BRASSFIELD FORMATION (LOWER SILURIAN) IN THE CINCINNATI ARCH AREA.O'DONNELL E.1967; DISSERT. ABSTR. INTERNATION.; USA; 1967(12), VOL. 28, NUM. 0006Miscellaneous

SPECIAL REPORT ON MID-AMERICA COAL.1978; COAL AGE; U.S.A.; DA. 1978; VOL. 83; NO 5; PP. 67-162 (58P.); H.T. 12; 47 ILL.Article

EROSION BY CONTINENTAL ICE SHEETS.GRAVENOR CP.1975; AMER. J. SCI.; USA; 1975, VOL. 275, NUM. 0005, P. 594 A 604Serial Issue

HOLOCENE ENVIRONMENTS AND SOIL GEOMORPHOLOGY IN MIDWESTERN UNITED STATES.RUHE RV.1974; QUATERN. RES.; USA; 1974, VOL. 4, NUM. 0004, P. 487 A 495Serial Issue

THE WORLD PETROLEUM INDUSTRY AND ITS IMPACT ON MID-CONTINENT OIL AND GAS ECONOMICS.HELLER CA.1969; KANSAS GEOL. SURV., SPEC. DISTRIBUTION PUBL.; U.S.A.; 1969, NUM. 0044, P. 1 A 22Serial Issue

GEOPHYSICAL EXPLORATION OF MISSISSIPPI VALLEY-APPALACHIAN TYPE STRATA-BOUND ZINC-LEAD DEPOSITS.CALLAHAN NH; MC MURRY HV.1969; GEOL. SURV. CANADA, ECON. GEOL. REP.; CAN; 1969(5), NUM. 0026, P. 350 A 360Miscellaneous

LAPIDARY MATERIALS IN THE MIDWEST.ZEITNER JC.1978; LAPIDARY J.; U.S.A.; DA. 1978; VOL. 31; NO 10; PP. 2100-2110 (5P.); 18 ILL.Article

ENGINEERING PROBLEMS IN ONTONAGON CLAY.BOOY E.1976; GEOL. SOC. AMER., ABSTR. PROGRAMS; U.S.A.; DA. 1976; VOL. 8; NO 6; PP. 786-787Conference Paper

ACID PRECIPITATION IN THE NORTHEASTERN UNITED STATES: PH AND ACIDITY.GALLOWAY JN; LIKENS GE; EDGERTON ES et al.1976; SCIENCE; U.S.A.; DA. 1976; VOL. 194; NO 4266; PP. 722-724; BIBL. 17 REF.; 2 ILL.Article

ISOTOPIC EVIDENCE FOR THE ORIGIN OF MISSISSIPPI VALLEY-TYPE MINERAL DEPOSITS: A REVIEW.HEYL AV; LANDIS GP; ZARTMAN RE et al.1974; ECON. GEOL.; USA; (STABLE ISOT. APPL. PROBL. ORE DEPOSITS. SYMP.; DALLAS; 1973),1974, VOL. 69, NUM. 0006, P. 992 A 1006Miscellaneous

PREHISTORIC BIOLOGICAL RELATIONSHIPS IN THE GREAT LAKES REGION.WILKINSON RG.1971; ANTHROPOL. PAPERS, MUS. ANTHROPOL., UNIV. MICHIGAN; USA; 1971, NUM. 0043Miscellaneous