And Ica on the W.
(4) The next coast-section extends for over 300 m., from Chancay to Nasca, and includes the rivers of Chancay or Lacha, of Carabayllo, Rimac, Lurin, Mala, Canete, Chincha, Pisco or Chunchanga, Ica and Rio Grande.
The valleys of Ica, Palpa, San Xavier and Nasca are rich and fertile, though they do not extend to the sea; but between Nasca and Acari there is a desert 60 m.
High, in the form of a sugar-loaf, a mile west of the point of Santa Maria, which is near the mouth of the Ica river.
Grapes are produced in many of the irrigated valleys of the coast, such as Chincha, Lunahuana, Ica, Vitor, Majes, Andaray, Moquegua and Locumba, and the fruit is manufactured into wines and brandies.
Gold is found in lodes and alluvial deposit; the former on the Pacific slope at Salpo, Otuzco, Huaylas, Yungay, Ocros, Chorrillos, Canete, Ica, Nasca, Andaray and Arequipa, and on the table-lands and Amazon slope at.
The principal copper-bearing districts are Chimbote, Cajamarca, Huancayo, Huaraz, Huallanca, Junin, Huancavelica, Ica, Arequipa, Andahuaylas and Cuzco - chiefly situated in the high, bleak regions of the Andes.
There are cotton factories about Lima, at Ica and at Arequipa.
The principal rivers of the Amazon system are the Napo, the upper part of which forms the provisional boundary line with Ecuador, the Putumayo or Ica, and the Caqueta or Japura (Yapura), which flow from the Andes entirely across the eastern plains, and the Guainia, which rises on the northern slopes of the Serra Tunaji near the provisional Brazilian frontier, and flows with a great northward curve to the Venezuelan and Brazilian frontiers, and is thereafter known as the Rio Negro, one of the largest tributaries of the Amazon.
West of the Negro the Amazon receives three more imposing streams from the north-west - the Yapura, the Ica or Putumayo, and the Napo.