Discover Peru
EN
ES
FR
Menu
Home
Peru
Pre-Inca period
Incas
Colonial period
Republican period
Actual Peru
Peru chronology
Geography
Peruvian Cordilleras
Geopolitics
Country statistics
Peruvian People
The Presidents
The current weather: Bulletin Board
The current weather: Map
Seismic activities
Culture
Generalities
Peruvian literature
Festivities calendar
Ways & customs
Dictionnaries
Native dialects
Peruvian courses
Recipes
The handcraft
Tourism
Recommendations
Ideal periods
Annual temperatures
Sites classification
Recommended itineraries
Ways to access
Current exchange rate
Distance between cities
Sunrise / sunset
Sites
Album
Photos
Panoramical photos
Videos
Maps
Drawings
Forum
← Previous
↑ Up
Next →
⌂ Home
Saltpeter Exploitation
←
→
43.8K
Categories
History
Author
Alexis León
(Peru)
Extract from
El Perú Ilustrado. Biblioteca Nacional del Perú
Credits
El Comercio
