In the Triple-B Association each cow's milk is tested every two months. The results are kept in a record book. In this way the farmer can accurately judge the producing value of each cow, weed out the poorest ones and breed the best. Black Hawk County, Iowa
Summary
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Tags
Date
01/01/1939
Contributors
Rothstein, Arthur, 1915-1985, photographer
Source
Library of Congress
Copyright info
No known restrictions. For information, see U.S. Farm Security Administration/Office of War Information Black & White Photographs http://www.loc.gov/rr/print/res/071_fsab.html