Rubber tree, band of pith around tree

Notes:: Br-Ru-Tr-4
Data Provider:: University of Michigan. Libraries
Collection:: Art, Architecture and Engineering Library, Lantern Slide Collection
Place:: Brazil
Subject Topic:: Agriculture; Farming
Language:: UND
Rights:: http://quod.lib.umich.edu/t/text/accesspolicy.html
URL:: http://name.umdl.umich.edu/IC-UMMU2IC-X-LS016499%5DLS016499