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1
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2Published 1944“...Dept. of Engineering Extension, Purdue University,...”
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4by Toebes, Gerrit H., 1927-“...Purdue University, Water Resources Research Center,...”
Published 1976
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5by Gammon, James R. (James Robert), 1930-“...Purdue University, Water Resources Research Center,...”
Published 1973
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6
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7
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8
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10by Gammon, James R. (James Robert), 1930-“...Purdue University Water Resources Research Center,...”
Published 1976
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