Search Constraints
You searched for:
Campus
IUB
Remove constraint Campus: IUB
Creator
Gray, Henry Hamilton, 1922-
Remove constraint Creator: Gray, Henry Hamilton, 1922-
Date Created
1979
Remove constraint Date Created: 1979
Publisher
Indiana. Geological Survey
Remove constraint Publisher: Indiana. Geological Survey
Subject
Geographic Subject: Illinois
Remove constraint Subject: Geographic Subject: Illinois
State
deposited
Remove constraint State: deposited