Iowa State University; Iowa Agriculture and Home Economics Experiment Station; Silos; Silage
Using a pitchfork, a worker spreads ensilage from a large wooden wheeled cart onto a pit silo. Other farm machinery, fences and buildings are in the background.
v. 2. The site of old Fort Des Moines, with biographical material for John Stuart Dean. Sponsored by Polk county historical society. Prepared by Iowa Writers' program, Work projects administration.
Iowa State University; Dept. of Chemical and Biological Engineering; Agricultural wastes
Various glassware and instruments are displayed on tables and counters in this laboratory. A large cabinet with glass doors is on the left. The door at the rear opens into another laboratory.