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Browse Circular - Illinois State Geological Survey by Subject "Clay industries"

Now showing items 1-5 of 5

Abstracts of papers dealing with clay and clay products, presented at the third annual Mineral Industries Conference of Illinois, May 17-18, 1935.

Mineral Industries Conference of Illinois (3rd : 1935 : Urbana) (Urbana,, 1935)

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Clay products industry in Illinois in 1932 : preliminary report

Voskuil, Walter Henry ([Urbana, Ill.] : State of Illinois, Dept. of Registration and Education, Division of the State Geological Survey,, 1933)

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Clay products industry in Illinois in 1935- preliminary report

Newton, William Albert; Voskuil, Walter Henry ([Urbana], 1936)

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Clay products industry in Illinois in 1936 : preliminary report

Newton, William Albert (Urbana,, 1937)

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Directory of Illinois clay and clay products producers, January 1, 1942

Stevens, Douglas F. (Urbana, IL : Illinois State Geological Survey, 1942)

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Now showing items 1-5 of 5