The Repair of Casa Grande Ruin, Arizona, in 1891: Fifteenth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1893-94, Government Printing Office, Washington, 1897, Pages 315-348

The Repair of Casa Grande Ruin, Arizona, in 1891 is a scientific report by Cosmos Mindeleff, published in 1897 as part of the Fifteenth Annual Report of the Bureau of Ethnology. This document details the evaluation and restoration efforts of the Casa Grande Ruin, an important archaeological site in Arizona, focusing on its historical significance and the necessary repairs to combat deterioration and vandalism. Mindeleff provides a thorough analysis of the ruin's condition, restoration plans, and preservation methods, underscoring the importance of maintaining this cultural heritage site for future study.