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Droughts' Causes Partly Known: Comings and Goings Unpredictable


Author:
Humphreys, W.J.
Source:
USDA
Year:
1931
Format:
p. 202-205.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/IND43892901