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2070100057 from books.google.com
... 6650506 606678 5603388 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Average -- 62 51 45 38 39 2070 1000 57 67 75 78 80 : RED RIVER BASIN -- Continued WASHITA RIVER NEAR DURWOOD , RED RIVER BASIN 479.