Property:Image Credit
This is a property of type Text.
The allowed values for this property are:
- Illinois State Geological Survey
- Illinois Department of Natural Resources - Office of Mines and Minerals
- Ledvina Collection
- Phillips Coal Ball Collection
- Copyright © University of Illinois Board of Trustees
- Library of Congress, Geography and Map Division, Sanborn Maps Collection.
1
Illinois State Geological Survey +
Illinois State Geological Survey +
Illinois State Geological Survey +
Illinois State Geological Survey +
Illinois State Geological Survey +
Illinois State Geological Survey +
Illinois State Geological Survey +
Illinois State Geological Survey +
C
Illinois State Geological Survey +
Copyright © University of Illinois Board of Trustees +
Phillips Coal Ball Collection +
Phillips Coal Ball Collection +
Phillips Coal Ball Collection +
Phillips Coal Ball Collection +
Phillips Coal Ball Collection +
Phillips Coal Ball Collection +
Phillips Coal Ball Collection +
Phillips Coal Ball Collection +
Phillips Coal Ball Collection +
{ "type": "PROPERTY_CONSTRAINT_SCHEMA", "constraints": { "type_constraint": "_txt", "allowed_values": [ "Illinois State Geological Survey", "Illinois Department of Natural Resources - Office of Mines and Minerals", "Ledvina Collection", "Phillips Coal Ball Collection", "Copyright © University of Illinois Board of Trustees", "Library of Congress, Geography and Map Division, Sanborn Maps Collection." ] } }