Piper PA-25 "Pawnee" distribution patterns
By: by R.G. Winterfeld, V.D. Young, C.E. Deonier, and C.W. Getzendaner
Contributors: Young, V. D.; Deonier, C. E.; Getzendaner, C. W.; United States. Agricultural Research Service. Agricultural Engineering Research Division; United States. Entomology Research Division
Series: ARS -- 42-84; ARS 42 -- 84.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1963
Place of publication: Washington]
Language: eng
Subjects: Aerial spraying and dusting in agriculture; Spraying equipment; Agricultural chemicals; Application; Piper airplanes
Notes: Caption title.

"September 1963."

Authors are "aircraft pilot, agricultural engineer, Agricultural Engineering Research Division, ARS, and entomologists, Entomology Research Division, ARS respectively. Located at Forest Grove, Oreg."