Scope and Contents Scope and Contents:This collection contains the proofs, photos and negatives utilized for "Repeat Photography at Chaco Canyon Based on Photographs Made During the 1896-1899 Hyde Expedition and in the 1970s" and "Repeat Photography at Chaco Canyon NHP Based on Photographs Made in the 1930s, 1970s and the Year 2000."Malde obtained copies of Chaco photos from various sources, including the National Archive, Museum of New Mexico, National Anthropological Archive, and the New...