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Current results range from 1937 to 1945
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![["The document represents a map item is a weather map of precipitation from an April 13-14, 1945 storm in the eastern half of Oklahoma. This map indicates and plots the connecting areas of equal rainfall with lines. Weather map (diazotype, blackline print); 9 1/4 x 16 1/2 inches."]](/thumb/CAC_CC_031_14_0000_6_189.jpg "Rainfall, April 13-14, 1945")
