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Jan 24, 2019

Cover of Geology, Vol. 1: Geological Survey of Illinois (Classic Reprint)

Geology, Vol. 1: Geological Survey of Illinois (Classic Reprint)

Jan 13, 2019

Cover of Geological Survey of Illinois, Vol. 6

Geological Survey of Illinois, Vol. 6

Nov 14, 2018

Cover of Economical Geology of Illinois, Vol. 2 (Classic Reprint)

Economical Geology of Illinois, Vol. 2 (Classic Reprint)

Sep 15, 2018

Cover of Descriptions of Two New Species of Crustacea, Fifty-One Species of Mollusca, and Three Species of Crinoids, From the Carboniferous Formation of Illinois and Adjacent States (Classic Reprint)

Descriptions of Two New Species of Crustacea, Fifty-One Species of Mollusca, and Three Species of Crinoids, From the Carboniferous Formation of Illinois and Adjacent States (Classic Reprint)

Apr 22, 2018

Cover of Geology and Palaeontology (Classic Reprint)

Geology and Palaeontology (Classic Reprint)

Feb 13, 2014

Cover of Geology of Illinois - Primary Source Edition

Geology of Illinois - Primary Source Edition

Oct 11, 2011

Cover of Geology of Illinois

Geology of Illinois