What medium is "The Fountain, No. 1: The Wounded Indian Slaking His Death Thirst"?

The Fountain, No. 1: The Wounded Indian Slaking His Death Thirst is Graphite and white gouache on green wove paper.

Is "The Fountain, No. 1: The Wounded Indian Slaking His Death Thirst" in the public domain?

Yes, The Fountain, No. 1: The Wounded Indian Slaking His Death Thirst is in the public domain and available for free download under CC0 license.

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Thomas Cole, 1843