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File:National park stone tools.jpg

National_park_stone_tools.jpg(384 × 256 pixels, file size: 11 KB, MIME type: image/jpeg)



A variety of tools made of mussel shells.

Source U.S. National Park Service, Mississippi River Mussels: Tools From Mussel Shells
  1. U.S. National Park Service, Introduction To Mussels/Economic Uses


Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain. See the NPS website and NPS copyright policy for more information.

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