Cosmos Mindeleff


Cosmos Mindeff reported on the stabilization and preservation activities at Casa Grande Ruins in 1891 in the Thirteenth Annual Report of the Bureau of Ethnology. This work is the first known incident of the federal government actively preserving a prehistoric site. Casa Grande Ruins was established as the first cultural preserve the following year in 1892. Additional documents within this project include maps, correspondence, and references related to this work.

Cite this Record

Cosmos Mindeleff. ( tDAR id: 368329) ; doi:10.6067/XCV81G0NQ2

Spatial Coverage

min long: -111.541; min lat: 32.979 ; max long: -111.524; max lat: 33.014 ;

Individual & Institutional Roles

Contact(s): alycia hayes


General Note: Certain documents within the project have been removed due to their confidential nature. Legitimate researchers should contact the Chief of Resources at Casa Grande Ruins National Monument for access.

Resources Inside this Project (Viewing 1-2 of 2)

  • Documents (2)


  1. Casa Grande Ruin (1896)
  2. The Repair of Casa Grande Ruin (1894)