Public domain
Salinas, California. Intercontinental Rubber Producers. Cultivating two-year-old guayule shrubs. For the first two years in the fields the shrubs are cultivated frequently to keep down weeds and break up the soil which crusts easily
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineSalinas, California. Intercontinental Rubber Producers. Cultivating two-year-old guayule shrubs. For the first two years in the fields the shrubs are cultivated frequently to keep down weeds and break. 1941-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.