FIGURE 1. Map of the Baures prehispanic hydraulic complex.
From the following article:
An artificial landscape-scale fishery in the Bolivian Amazon
Clark L. Erickson
Nature 408, 190-193(9 November 2000)
doi:10.1038/35041555
It is located between the San Joaquín river to the west and the San Martín river to the east and between 13o 30' and 14o 20' latitude South.