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Start Over You searched for: Author Agricultural Research Service Remove constraint Author: Agricultural Research Service Publish Year Decade 1960 - 1969 Remove constraint Publish Year Decade: 1960 - 1969 Sudoc Stem A 77.202 Remove constraint Sudoc Stem: A 77.202

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6. Increasing livestock efficiency through research.

8. National tick survey [calendar year] 1964.

10. National tick survey, calendar year 1963.