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| | Prehispanic Raised Field Agriculture |
 | | The savannas and forest of the Bolivian Amazon were, in fact, once densely populated by well-organized societies, and precolumbian farmers heavily modified the landscape. |
 | | In the early 1960s, William Denevan, George Plafker, and Kenneth Lee uncovered evidence of massive earthworks in the savannas of the Llanos de Moxos (or Mojos), including raised fields, canals, causeways, reservoirs, dikes and mound settlements. |
 | | Shallow floodwaters cover much of the low-lying lands in the Llanos de Moxos during part of the rainy season. |
| www.sas.upenn.edu /~cerickso/applied3.html (1384 words) |
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