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Armstrong, David L.

Farm machinery : costs performance rates, and combinations, Southern San Joaquin Valley, California / David L. Armstrong & Edwin Faris - California : California University , 1964 - v, 73p. : ill. ; 26 cm. - Giannini Foundation research report .

Includes bibliographical references.


Agriculture--San Joaquin Valley
Mechanization

631.3 / ARM
Last Updated on April 2, 2019
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