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|Named Person:||Leo Lesquereux; Leo Lesquereux|
|Material Type:||Government publication, State or province government publication|
|All Authors / Contributors:||
Raymond E Janssen; Illinois State Museum.
|Notes:||Plates accompanied by 15 leaves of descriptive letterpress not included in paging.
"Printed by authority of the state of Illinois."
Issued also as thesis (Ph. D.)--University of Chicago, 1939.
|Description:||xv, 124 pages : illustrations ; 27 cm.|
|Series Title:||Scientific papers (Illinois State Museum), v. 1.|
|Other Titles:||Fossil plant types of Illinois
Lesquereux types in the Worthen Collection of the Illinois State Museum
Worthen Collection of the Illinois State Museum
New species from Mazon Creek
|Responsibility:||by Raymond E. Janssen.|