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Roosevelt Platform Mound Study

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The Roosevelt Platform Mound Study (RPMS) was one of three mitigative data recovery studies that the Bureau of Reclamation funded to investigate the prehistory of the Tonto Basin in the vicinity of Theodore Roosevelt Dam. The series of investigations constituted Reclamation's program for complying with historic preservation legislation as it applied to the raising and modification of Theodore Roosevelt Dam. Reclamation contracted with the Arizona State University Office of Cultural Resource Management (OCRM) to complete the research for this investigation.

The RPMS was an eight year archaeological research project that began in April 1989. It focused on sites of the Salado period, especially on platform mounds and the residential compounds clustered around the mounds. At its inception in the spring of 1989, the research was to be conducted at 77 sites grouped in three clusters in the basin. Shortly afterward, Reclamation also funded a separate sampling survey of locations on the upper bajadas that surround the basin. The Roosevelt Bajada Survey, performed by SWCA Environmental Consultants, Inc. of Flagstaff (Ahlstrom et aI. 1991), identified dense clusters of residential sites in these upland locations.

In 1992, Reclamation asked ASU OCRM to investigate four clusters of sites (orc complexes) identified by the Roosevelt Bajada Survey and one additional site in the Pinto Creek Complex. The agency effectively expanded the scope of the RPMS to 130 sites. The scheduled level of field effort at some of the original 77 sites was reduced and transferred to the investigation of sites in the upland locations.

As previously mentioned, the RPMS divided the 129 sites in the study into four major complexes: the Pinto Creek Complex, the Rock Island Complex, the Uplands Complex, and the Cline Terrace Complex. The Pinto Creek complex was further subdivided into management groups: the Livingston Management Group and the Schoolhouse Management Group.

The results of the RPMS are presented in the Roosevelt Monograph Series, which consists of 12 report volumes. The results are organized according to the archaeological site complexes and management groups previously described.

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Cite this Record

Roosevelt Platform Mound Study. ( tDAR id: 378190) ; doi:10.6067/XCV8ZP47J6


Ancestral Puebloan Hohokam Salado

Ceramic Chipped Stone Dating Sample Fauna Ground Stone Human Remains Macrobotanical Pollen Shell Wood

Site Name
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AR-03-12-06-339(USFS) AR-03-12-06-340(USFS) AR-03-12-06-388(USFS) AR-03-12-06-52(USFS) AR-03-12-06-700(USFS) AR-03-12-06-756(USFS) AR-03-12-06-758(USFS) AR-03-12-06-761(USFS) AR-03-12-06-762(USFS) AR-03-12-06-763(USFS) AR-03-12-06-767(USFS) AR-03-12-06-768(USFS) AR-03-12-06-769(USFS) AR-03-12-06-770(USFS) AR-03-12-06-779(USFS) AR-03-12-06-780(USFS) AR-03-12-06-783(USFS) AR-03-12-06-785(USFS) AR-03-12-06-786(USFS) AR-03-12-06-788(USFS) AR-03-12-06-790(USFS) AR-03-12-06-795(USFS) AR-03-12-06-796(USFS) AR-03-12-06-798(USFS) AR-03-12-06-800(USFS) AR-03-12-06-802(USFS) AR-03-12-06-809(USFS) AR-03-12-06-810(USFS) AR-03-12-06-811(USFS) AR-03-12-06-819(USFS) AR-03-12-06-862(USFS) AR-03-12-06-863(USFS) AR-03-12-06-922(USFS) AR-03-12-06-924(USFS) AR-03-12-06-925(USFS) AR-03-12-06-967(USFS) AR-03-12-06-970(USFS) AR-03-12-06-993(USFS) AR-03-12-06-994(USFS) AR-03-12-06-995(USFS) AR-03-12-06-997(USFS) AR-03-12-06-998(USFS) AR-03-12-06-999(USFS) AZ U:3:121(ASM) AZ U:3:127(ASM) AZ U:3:128(ASM) AZ 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Casa Bandolero Cline Terrace Mound Indian Point Ruin Pinto Point Mound Saguaro Muerto Sand Dune Schoolhouse Point Mound

Site Type
Agricultural Field or Field Feature Ancient Earthwork Ancient Structure Animal Inhumation Archaeological Feature Artifact Scatter Cobble Room Block Compound Domestic Structure or Architectural Complex Domestic Structures Field House Funerary and Burial Structures or Features Hamlet / Village Midden Non-Domestic Structures Petroglyph Pit House / Earth Lodge Platform Mound Plaza Roasting Pit / Oven / Horno Room Block / Compound / Pueblo Settlements Sheet Midden Storage facilities Storage Pit Trash Midden

Temporal Coverage

Calendar Date: 1200 to 1400 (Radiocarbon, ceramic, and architectural construction data)

Spatial Coverage

min long: -111.368; min lat: 33.615 ; max long: -110.927; max lat: 34.042 ;

Individual & Institutional Roles

Contact(s): Bureau of Reclamation, Phoenix Area Office

Principal Investigator(s): Glen Rice ; Charles Redman

Project Director(s): Arleyn Simon ; Peter McCartney ; Brenda Shears

Landowner(s): US Forest Service, Tonto National Forest

Sponsor(s): USDI Bureau of Reclamation, Phoenix Area Office

Permitting Agency(s): US Forest Service, Tonto National Forest

Repository(s): Center for Archaeology and Society, Arizona State University, Tempe

Prepared By(s): Office of Cultural Resource Management, Department of Anthropology, Arizona State University

Submitted To(s): USDI Bureau of Reclamation, Phoenix Area Office

Record Identifiers

Bureau of Reclamation Contract No.(s): 9-CS-32-06230

Resources Inside this Project (Viewing 1-7 of 7)


  1. The Archaeology of Schoolhouse Point Mesa, Roosevelt Platform Mound Study: Report on the Schoolhouse Point Mesa Sites, Schoolhouse Management Group, Pinto Creek Complex (1997)
  2. A Design for Salado Research (1990)
  3. Developing Perspectives on Tonto Basin Prehistory (1992)
  4. The Place of the Storehouses: Roosevelt Platform Mound Study, Part 1 (1996)
  5. The Place of the Storehouses: Roosevelt Platform Mound Study, Part 2 (1996)
  6. Where the Rivers Converge: Report on the Rock Island Complex (1995)


  1. Roosevelt Platform Mound Study (RPMS): Access Database (2014)
Arizona State University The Andrew W. Mellon Foundation National Science Foundation National Endowment for the Humanities Society for American Archaeology Archaeological Institute of America