Hugh Popenoe, Influence of the shifting cultivation cycle on soil properties in Central America, 1957

Hugh Popenoe, Influence of the shifting cultivation cycle on soil properties in Central America, 1957, Box: 22, Folder: 3. Alan & Lillie M. Probert Collection, 33036851. Benson Latin American Collection, The University of Texas at Austin. https://archives.lib.utexas.edu/repositories/4/archival_objects/279560 Accessed September 27, 2026.