Back Monument Nacional de les Ruïnes de Casa Grande Catalan Casa Grande Ruins National Monument CEB Casa Grande Ruins National Monument German Monumento nacional Ruinas de Casa Grande Spanish Casa Grande Ruins National Monument French Monumen Nasional Reruntuhan Casa Grande ID Руины Каса-Гранде Russian Casa Grande Ruins nationalmonument Swedish Руїни Каса-Гранде Ukrainian
| Casa Grande Ruins National Monument | |
|---|---|
 The southern facade of the "Big House" | |
   | |
| Location | Pinal County, Arizona, USA |
| Nearest city | Coolidge |
| Coordinates | 32°59′49″N 111°31′55″W / 32.9970051°N 111.5320692°W[1] |
| Area | 472.5 acres (191.2 ha)[2] |
| Created | August 3, 1918 |
| Visitors | 62,995 (in 2018)[3] |
| Governing body | National Park Service |
| Website | Casa Grande Ruins National Monument |
| NRHP reference No. | 66000192[4] |
| Added to NRHP | October 15, 1966 |
Casa Grande Ruins National Monument (O'odham: Siwañ Waʼa Ki: or Sivan Vahki[5]), in Coolidge, Arizona, located northeast of Casa Grande, Arizona, preserves a group of Hohokam structures dating to the Classic Period (1150–1450 CE).
- ^ "Casa Grande Ruins National Monument". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved March 28, 2014.
- ^ "Listing of acreage – December 31, 2013" (XLSX). Land Resource Division, National Park Service. Retrieved December 27, 2012. (National Park Service Acreage Reports)
- ^ "NPS Annual Recreation Visits Report". National Park Service. Retrieved April 1, 2019.
- ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- ^ "History of the Gila River Water Settlement Act of 2004, Chapter 1: Roots" (PDF).
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