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5,280 ft. = 1 mile. 43,560 ft. 2 = 1 acre 27 ft. 3. per yd. 3. 43.56 M = 1 acre M = 1,000 ft. 2. 128 fluid oz. = 1 gallon 4 quarts = 1 gallon. GPM = gallons per minute. GPA = gallons per acre. N/M = nitrogen per 1,000 ft. 2 . 1.0 lb. = 454 grams 16 oz = 1 . lb. One acre inch of water = 27,154 gallons. One acre inch of water = 3,630 cubic feet ... ................
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