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- Object[3]
- yes[3]
- no[3]
- european[3]
- whetstone[3]
- lake neuchatel[1]
- lake pfaffikon[1]
- lake zurich[1]
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- zurich canton[2]
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1 - 3 of 3 Records
![87-39-1131](https://www.penn.museum/collections/assets/300/642016.jpg)
![87-39-1130](https://www.penn.museum/collections/assets/300/641638.jpg)
![87-39-1132](https://www.penn.museum/collections/assets/300/641260.jpg)
1 - 3 of 3 Records
1 - 3 of 3 Records