Showing Collections: 351 - 360 of 392
USDA Office of the Secretary Memoranda
The USDA Office of the Secretary Memoranda consist of memoranda and circulars (1918-1979), general orders (1897-1913), plant and operations memoranda (1936-1937), special orders (1927-1934, 1939), technical advisory board circulars (1938-1940), USDA Defense and Agriculture Series (1940-1941), and USDA Defense Exercise memoranda (1960-1970s).
USDA Official Standards of the United States for Grades of Wool
The USDA Official Standards of the United States for Grades of Wool contains wool samples that document the 12 wool grade standards established by the U.S. Department of Agriculture (USDA) for the 1920s, and the 13 standards for the 1940s. The standards are based on the fineness or diameter of the wool fiber. Samples show the maximum diameter or fineness of fiber for each of the grades. The collection includes wool standards for 1926, 1928, 1940, and 1966.
USDA Pear Psylla Control Investigations Lantern Slide Collection
The USDA Pear Psylla Control Investigations Lantern Slide Collection contains color lantern slides produced by the U.S. Department of Agriculture (USDA) Bureau of Entomology and Plant Quarantine, Fruit Insect Investigations, Pear Psylla Control. There are 13 slides of pears infected with pear psylla, 3 slides of maps, and a slide showing a chart of spraying operations in counties of Washington, Idaho, and Oregon in 1941.
USDA Pink Bollworm Project Photograph Collection
USDA Plant Introduction Station (Chico, California) Photograph Collection
USDA Plant Introduction Station (Miami, Florida) Records
USDA Pomological Watercolor Collection
USDA Potato Research Collection
USDA Radio and Television Service Celebrity Pesticide Spots Audio Recordings
USDA Radio and Television Service Radio Home Features Typescripts
The USDA Radio and Television Service Radio Home Features Typescripts were produced by the USDA Office of Information, Radio and Television Service, Washington, D.C. Dates of typescripts are 1964 to 1967, 1969, and 1970 to 1988.
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