D'Altroy (2003), p. 281; "Collcas Incaicas of Cotapachi", http://www.bolivia-online.net/en/cochabamba/134/collcas-incaicas-of-cotopachi, accessed 11 Dec 2016 Some of the maize produced in Cochabamba was transported by Llama caravan to the regional center of Paria, 100 kilometers west of Cochabamba, and hence on to Cuzco.