Illinois
| Title | Illinois |
| View | 612 |
| Series | VIII: Botany Department |
| Description | Lichens on Niagara limestone at Sag Bridge near Lemont, Illinois. |
| Subject Terms | Lichens (Fungi) | Geological formations | Limestone | Communities (Inhabited places) |
| Photograph Date | 1921 |
| Physical Format | Lantern slides; 8.1 x 10.1 cm |
| Location | Sag Bridge, Cook County, Illinois; Lemont, Cook County, Illinois |
| AEP Number | aep-ils280 |
| Collection | University of Chicago Department of Botany Records |
| Repository | University of Chicago Library, Special Collections Research Center |
| Image Identifier | apf8-02111 |
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