00902nam a2200265 4500 agr67000231 DLC 20260227111026.0 690925s1967 dcu 000 0 eng c agr67000231 U.S. Nat'l Agr. Libr. DLC DLC A420 R31 no. 121 Graham, Harry Morgan, 1929- A method of evaluating cotton gins for pink bollworm kill, by H. M. Graham, O. T. Robertson, and V. L. Stedronsky. [Washington] 1967. 5 p. 26 cm. United States. Agricultural Research Service. ARS 33 -121 Bibliographical footnotes. Pink bollworm. Cotton gins and ginning. Cotton gins. Pink bollworm. Robertson, Oris T., 1905- joint author. Stedronsky, Victor Leo, 1908- joint author. 12222 12222