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0200094646 20080704134710.0 071018s1970 iluab frb |000|||eng | CNY50.00 NGL n-us-il a452 Stevenson, D. L. (David Lloyd) 伊利诺伊州埃芬汉圣吉纳维夫地区石灰岩结构的趋势面分析. chi Trend-surface analysis of the structure of the Ste. Genevieve limestone in the Effingham, Illinois area / D. L. Stevenson. Urbana : Illinois State Geological Survey, 1970. 12 p. : ill., maps ; 30 cm. Circular / Illinois State Geological Survey ; 454 Includes bibliographical references: p. 12. Petroleum ; Trend surface analysis. ; Petroleum Geology ; Geology Illinois ; Effingham County. ; Illinois ; Shelby County. Illinois State Geological Survey. aCN bNGL NGL EB00068141 r¥50.00 ; v454 P 254.2 C49i