Regulations pursuant to Public resolution no. 47, Seventieth Congress, entitled "To provide for eradication of pink bollworm and authorizing an appropriation therefor," approved May 21, 1928
United States. Plant Quarantine and Control Administration.
Book
Published material
[Washington], 1929
Issued Oct. 1929.
P.Q.C.A. Reg.
Agricultural chemicals , arthropods , Entomology , Pesticides
English
DOI: https://doi.org/10.5962/bhl.title.119470 NAL: A423 P692
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