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Ingredients used for dying of wool used at WPA (Works Progress Administration/Work Projects Administration) weaving project. Costilla, New Mexico. They are indigo, nitric acid, powdered alum, bark, burdock root, cochineal and walnut husks by Russell Lee

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Ingredients used for dying of wool used at WPA (Works Progress Administration/Work Projects Administration) weaving project. Costilla, New Mexico. They are indigo, nitric acid, powdered alum, bark, burdock root, cochineal and walnut husks by Russell Lee

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