STRUCTURAL GEOLOGY AND OIL PRODUCTION OF NORTHERN GALLATIN COUNTY AND SOUTHERNMOST WHITE COUNTY, ILLINOIS.BRISTOL HM.1975; ILLINOIS STATE GEOL. SURV., ILLINOIS PETROLEUM; U.S.A.; 1975, NUM. 0105, P. 1 A 20Serial Issue

SUB-PENNSYLVANIAN VALLEYS IN THE CHESTERIAN SURFACE OF THE ILLINOIS BASIN AND RELATED CHESTERIAN SLUMP BLOCKS.BRISTOL HM; HOWARD RH.1974; GEOL. SOC. AMER., SPEC. PAPER; U.S.A.; DA. 1974; NO 148; PP. 315-335; 15 ILL.; (CARBONIFEROUS SOUTHEAST. U.S. SYMP.; TUSCALOOSA; 1972)Conference Paper

STRUCTURAL FEATHURES OF THE EASTERN INTERIOR REGION OF THE UNITED STATES.BRISTOL HM; BUSCHBACH TC.1971; ILLINOIS STATE GEOL. SURV., ILLINOIS PETROLEUM; USA; 1971, NUM. 0096, P. 21 A 28Miscellaneous

STRUCTURE OF THE TOP OF THE KARNAK LIMESTONE MEMBER (STE. GENEVIEVE) IN ILLINOIS.BRISTOL HM; HOWARD RH.1976; ILLINOIS STATE GEOL. SURV., ILLINOIS PETROLEUM; U.S.A.; DA. 1976; NO 109; PP. 1-6; H.T. 1; BIBL. 4 REF.; 2 ILL.Serial Issue

GEOLOGY AND OIL PRODUCTION IN THE TUSCOLA AREA,ILLINOIS.BRISTOL HM; PRESCOTT R.1968; ILLINOIS STATE GEOL. SURV., CIRC.; USA; 1968, NUM. 0424, P. 1 A 34Miscellaneous

THE WABASH VALLEY FAULT SYSTEM IN SOUTHEASTERN ILLINOISBRISTOL HM; TREWORGY JD.1979; ILLINOIS STATE GEOL. SURV., CIRC.; USA; DA. 1979; NO 509; 19 P.; BIBL. 12 REF.; 12 ILL.Serial Issue