Report of the annual meeting, British Association for the Advancement of Science, J. Murray, 1879, ... The valley of Pishin is a perfectly open, nearly flat alluvial plain, with a very barren aspect owing to the absence of trees, except fruit trees in a few gardens ...
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"Pshin". Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica Inc., 2015. Web. 02 Apr. 2015.
