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By: Schopf, James Morton,
Edition:
Publication info: Urbana, Ill, Printed by authority of the State of Illinois, 1938
Volume: Illinois State Geological Survey Report of Investi
Series:
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects:
BHL Collections:
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By: Schopf, James Morton,
Edition:
Publication info: Urbana, Ill, State Geological Survey, 1939
Volume: Information circular / Illinois State Geological S
Series:
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects:
BHL Collections:
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By: Schopf, James Morton,
Edition:
Publication info: Urbana, Ill, 1941
Volume: Report of Investigations No. 75
Series:
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects:
BHL Collections:
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By: Schopf, James Morton,
Edition:
Publication info: Urbana, 1941
Volume: Circular no.71
Series:
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects:
BHL Collections:
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By: Schopf, James Morton,
Edition:
Publication info: Urbana, The University of Illinois Press, 1943
Volume: v.19:no.4 (1943)
Series:
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects:
BHL Collections:
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By: Schopf, James Morton, - Wilson, L. R. (Leonard Richard), - Bentall, Ray,
Edition:
Publication info: Urbana, Illinois State Geological Survey, 1944
Volume: Report of Investigations No. 91
Series:
Holding Institution: University Library, University of Illinois Urbana Champaign
Subjects:
BHL Collections: