Illinois
| Title | Illinois |
| View | 654 |
| Series | VIII: Botany Department |
| Description | Sand cave at Clarida Branch, Pope County, Illinois. |
| Subject Terms | Caves | Streams | Clarida Branch (Illinois) |
| Photographer | Strong, Helen |
| Photograph Date | Undated |
| Physical Format | Lantern slides; 8.1 x 10.1 cm |
| Location | Pope County, Illinois |
| AEP Number | aep-ils339 |
| Collection | University of Chicago Department of Botany Records |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf8-02153 |
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