Heavy mineral ratios of Sangamon weathering profiles in Illinois.

Bibliographic Details
Main Author:	Brophy, John Allen, 1924-
Format:	Book
Language:	English
Published:	Urbana, [publisher not identified] ; 1959.
Series:	Circular (Illinois State Geological Survey) ; 273.
Subjects:	Weathering. Mineralogy > Illinois. Soils > Analysis.

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