Chapter 33. Harold T. Jorgenson. 1972. Problems of tropical settlement—experiences in Colombia and Bolivia. Pages 609-630.

Keywords: large scale migration to frontier areas in many Latin American countries is occurring, the frontier is in the humid tropical lowlands of uncertain agricultural utility, such settlements are characterized by primitive housing, subsistence agriculture, problems with soil erosion and leaching, ill health due to malnutrition and poor sanitation, isolation from markets, unstable land tenure, and an underdeveloped infrastructure, Chapare, Bolivia, Caqueta settlement Colombia, Caranavi settlement