This object is either not yet digitized or not digitally available. To learn how to gain access, please contact the Sterling Morton Library at library@mortonarb.org or (630) 719-2429.
Copyright statement:

Copyright restrictions applying to use or reproduction of this image are available from the Sterling Morton Library, The Morton Arboretum. For more information, please visit our ABOUT section or complete and submit this form.

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


3.5920
Printed, colored map
105 cm W x 146 cm H (Item)
1 inch = 8 miles (ca.)
1 sheet
Map
1967
"Base map by U.S. Geological Survey."
Geological surveys
Illinois State Geological Survey (is related to)
Geological Survey (U.S.) (is related to)
Reference
Urbana, Illinois State Geological Survey
This object is either not yet digitized or not digitally available. To learn how to gain access, please contact the Sterling Morton Library at library@mortonarb.org or (630) 719-2429.
Copyright statement:

Copyright restrictions applying to use or reproduction of this image are available from the Sterling Morton Library, The Morton Arboretum. For more information, please visit our ABOUT section or complete and submit this form.