Carlinville quadrangle report.
Partially published as Bulletin 77, 1952;
A carbon copy of the report as originally submitted about January 1, 1945. The report was revised and condensed for publication, and the nomenclature, classification, and correlation of the geological formations were brought up to date as of July 1, 1951;
Manuscript contains many original descriptions of outcrops; a more detailed discussion of structure.;
Cited in Circular 220, "Unpublished Reports on Open File";
Illinois State Geological Survey ; Bulletin 77
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