Casa Grande Ruins Trail

Casa Grande Ruin Thirteenth Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1891-92, Government Printing Office, Washington, 1896, pages 289-318

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