00996cam a2200253   4500001001300000003000400013005001700017008004100034010001700075040003600092050002400128070002300152110007600175245004700251260006100298300002600359410006400385500010700449650002400556650002900580650002900609710008700638999001700725agr67000333 DLC20260227111027.0691210s1967    dcua          000 0 eng c  aagr67000333   aU.S. Nat'l Agr. Libr.cDLCdDLC10aS21b.A85735 no. 640 aA41.9R315Ar no. 641 aUnited States.bAgricultural Research Service.bAnimal Health Division.10aFacts about the screwworm barrier program.  a[Washington]bU.S. Agricultural Research Service,c1967.  a15 p.billus.c26 cm.10a[United States.bAgricultural Research Service]tARS91-v64  aSupersedes U.S. Agricultural Research Service. Facts about screwworm eradication, issued as ARS 91-39. 0aScrewwormxControl. 3aCochliomyia hominivorax. 3aDomestic animalsxPests.1 aUnited States.bAgricultural Research Service.tFacts about screwworm eradication.  c12273d12273