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141by Bretz, J. Harlen, 1882-1981Subjects: “...Geology Illinois Cook County Maps....”
Published 1930
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146by Lamar, J. E. (John Everts), 1897-1979Subjects: “...Petroleum engineering Illinois....”
Published 1931
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148Published 1982Subjects: “...Illinois State Geological Survey....”
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149Published 1972Subjects: “...Geology Illinois Guidebooks....”
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154Published 1944Subjects: “...Geology Illinois Hardin County....”
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155Published 1957Subjects: “...Secondary recovery of oil Illinois....”
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156
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157Published 1977Subjects: “...Natural gas Underground storage Illinois....”
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158by Hatmaker, Paul Castleton, 1900-Subjects: “...Mineral industries Illinois....”
Published 1938
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