Industrial minerals produced in Illinois in 1943; clays and clay products, fluorspar, sand, gravel, silica sand, ground silica, tripoli, stone, cement, lime, mineral wool and agstone used in Illinois in 1943.
Voskuil, Walter Henry; Stevens, Douglas Franklin joint author
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https://hdl.handle.net/2142/42952
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Industrial minerals produced in Illinois in 1943; clays and clay products, fluorspar, sand, gravel, silica sand, ground silica, tripoli, stone, cement, lime, mineral wool and agstone used in Illinois in 1943.
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