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Humboldt Quadrangle

[an error occurred while processing this directive] Humboldt Quad
County: Coles
Current Date: 1983
Photo Revision Date:  
Archive Date: 1983


Surrounding Quads
Arthur Arcola Hindsboro
Cooks Mills HUMBOLDT Charleston North
Mattoon West Mattoon East Charleston South

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ILLINOIS STATE GEOLOGICAL SURVEY
INSTITUTE OF NATURAL RESOURCE SUSTAINABILITY     |    UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN

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Updated 8/22/2008 SLD