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What is Conservation?

Image showing before and after the conservation of an oil on canvas portrait of Ezra L. Walrath (1828-1894), by George Kasson Knapp; Onondaga Historical Association, Syracuse NY. Conserved with funds from the NYSCA/GHHN Conservation Treatment Grant Program in 2018.

Photo by Conservation:Col. Ezra Walrath on OHA, Syracuse NY
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