Laverdure, Vernon Leroy2014-12-152014-12-1519371937b14769189https://archive.org/details/majorgeographicf00lavehttps://hdl.handle.net/2144/9995Thesis (M.A.)--Boston University This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.Major geographic factors in the distribution of population in some parts of South America.Thesis/Dissertation