Box 21
Container
Contains 1 Result:
General summary of 1921 calcium arsenate map showing localities furnishing samples, 1921
Item — Box: 21, item: 3317
Content Description
From the Collection:
Collection of images in glass and film negative format, produced by the U.S. Department of Agriculture (U.S.D.A.) at its branch laboratory at Tallulah, Louisiana, under the direction of entomologist B.R. Coad. The images document the U.S.D.A.'s boll weevil eradication experiments using first lead arsenate, and then calcium arsenate. "Methods of applying calcium arsenate by air and by airplane and by ground machines were worked out at Tallulah. Many investigations were carried on there in the...
Dates:
Other: 1921
Found in:
Manuscripts
/
MSS-399, Glass Negatives Collection