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Physical geography 4 Geologie 2 Geology 2 Portland cement 1 Water-supply 1
Physical geography 4 Geologie 2 Geology 2 Portland cement 1 Water-supply 1
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by Goldthwait, James Walter 1880-1948
Published 1909
“...Illinois State Geological Survey: Bulletin...”Published 1909
Book
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by Bleininger, Albert 1873-1946
Published 1912
“...Illinois State Geological Survey: Bulletin...”Published 1912
Book