Worthens new geological map of Illinois [electronic resource] : prepared expressly for Campbell's Illinois atlas.

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Bibliographic Details
Online Access:	Online Access
Main Author:	Worthen, Amos Henry, 1813-1888
Corporate Authors:	David Rumsey Collection, Cartography Associates
Other Authors:	Campbell, R. A. (Robert Allen), 1836 or 1837-, Walling, Henry Francis, 1825-1888, Mitchell, S. Augustus (Samuel Augustus), 1792-1868
Format:	Electronic Map Article
Language:	English
Published:	[1870]
Subjects:	Geology > Illinois > Maps.

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