. P Sliaded: NorrtBl or above. Unshaded: Below nomial. Fig* 7* Percental of noimal precipitation for the sunrer, June to Augist, indusLve, 1538» (From Weekly Weather arrL Crop Bulletin, September I3, I938).
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity