“Pyganodon grandis” by H. D. Murray (23 Aug 1957) 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

H. D. Murray

Title	Pyganodon grandis
Artist	H. D. Murray
Date	23 Aug 1957 20th century
Medium	Dry
Origin	Neosho River, Neosho County, Kansas, United States Neosho River
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

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Updated 2026-09-05