Greenhouse site facts for kids
Layout of the site
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 Greenhouse site
Location in Louisiana
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| Location | Marksville, Louisiana, Avoyelles Parish, Louisiana,  USA |
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| Region | Avoyelles Parish, Louisiana |
| Coordinates | 31°8′22.31″N 92°2′25.73″W / 31.1395306°N 92.0404806°W |
| History | |
| Founded | 400 CE |
| Abandoned | 1000 |
| Cultures | Troyville culture, Coles Creek culture |
| Site notes | |
| Excavation dates | 1938 |
| Archaeologists | James A. Ford, |
| Responsible body: private | |
The Greenhouse site (16 AV 2) is an archaeological site of the Troyville-Coles Creek culture (400 to 1000 CE) in Avoyelles Parish, Louisiana.
Greenhouse is the most extensively excavated Troyville-Coles Creek site in Louisiana. The site consists of seven platform mounds surrounding a central plaza that measures 200 feet (61 m) by 350 feet (110 m). Archaeologists have not found an associated village for the site, which supports the theory that the site was ceremonial in nature and that its builders lived elsewhere. Mound A (12 feet (3.7 m) in height, with a base 120 feet (37 m) square and a summit 80 feet (24 m) square), Mound E (10 feet (3.0 m) in height, with a base 120 feet (37 m) square and a summit 80 feet (24 m) square) and Mound G are the 3 largest mounds at the site and form a triangle.
