21. Ample evidence of the Herrera Period has been uncovered on the Altiplano Cundiboyacense. 22. He stated that the frog represented the times of draught on the Altiplano . 23. Lake Tauca is one of several ancient lakes which formed in the Altiplano . 24. During the Lake Ballivi�n episode, pupfish colonized the southern and central Altiplano . 25. Lastarria has a summer rain region of the Altiplano and the Atacama Desert. 26. A low east-west range divides the altiplano into northern and southern sections. 27. The Altiplano , the high plateau between the previous range and the Cordillera Oriental. 28. Geographically, the area is located between the Salar de Atacama and the Altiplano . 29. It is found in Ecuador and the Altiplano . 30. Laguna Hedionda is one of the nine small saline lakes in the Andean Altiplano .