“Ferruginous concretion” by Waterford 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.

Ferruginous concretion

Ferruginous concretion

TitleFerruginous concretion
ArtistWaterford
OriginMississippi, United States, North America Mississippi
Holding institutionSmithsonian Open Access
RightsPublic domain (CC0)

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Updated 2026-09-05