Calothrix parietina

Title	Calothrix parietina
Artist	North American Terrestrial
Date	31 Oct 1939 20th century
Origin	Cincinnati, Fish Hatchery building, Hamilton County, Ohio, United States, North America Cincinnati
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0). Free to use for any purpose.

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The artist

This work is attributed to North American Terrestrial. Browse every catalogued public-domain plate by this maker.

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Dated to 31 Oct 1939. Explore the wider set of works from the 20th century held in the archive.

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The origin

Recorded origin: Cincinnati, Fish Hatchery building, Hamilton County, Ohio, United States, North America. Browse more public-domain art from Cincinnati.

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The collection

Made available through the Smithsonian Open Access open-access programme, which explicitly places this work in the public domain.

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