Super XX; By USGS (GS-VAM-11-52,53); Scale 1:19,600
Creator
Geological Survey (U.S.)
Temporal Coverage
1953-09-04
Date Issued
1953.0
Rights
In Copyright - Educational Use Permitted, http://rightsstatements.org/vocab/InC-EDU/1.0/, Instructors are encouraged to download and print the images for classroom or laboratory instructional use. Please contact the Map Library with questions regarding reproduction for publication via e-mail (http://www.library.illinois.edu/mailform/mail.php?emailcode=mapandgeog) or by calling 217-333-0827.