“Pyganodon grandis” by Burtch is a public-domain (CC0) artwork, free to view, download and reuse for any purpose. It is catalogued from the open collection of Smithsonian Open Access.

Pyganodon grandis

Burtch

Title	Pyganodon grandis
Artist	Burtch
Medium	Dry
Origin	Near Penn Yan, Yates County, New York, United States
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

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Updated 2026-09-06