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Willman, H. B.

Geologic map of Illinois, compiled by H.B. Willman and others

Identifier
3.5920
Format
Printed, colored map
Dimensions
105 cm W x 146 cm H (Item)
Scale
1 inch = 8 miles (ca.)
Extent
1 sheet
Type
Map
Date created
1967
Description
"Base map by U.S. Geological Survey."
Subject - keywords and LC headings
Geological surveys
Related Entities
Illinois State Geological Survey (is related to)
Geological Survey (U.S.) (is related to)
Related Collections
Reference
Spatial Coverage
Urbana, Illinois State Geological Survey