At the Museum of the Plains Indian, stabilize, conserve, and preserve the historic wood mural in accordance with professional conservation standards and the Museum¿s duty to maintain collections as re... At the Museum of the Plains Indian, stabilize, conserve, and preserve the historic wood mural in accordance with professional conservation standards and the Museum¿s duty to maintain collections as required under federal cultural property guidelines. Work shall ensure long term preservation without altering the artist¿s original intent.