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- Agricultural Economics Bureau19
- Agricultural Marketing Administration1
- Agricultural Marketing Service1
- Agriculture Department1
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- Biological Survey Bureau6
- Chemistry Bureau1
- Chemistry and Soils Bureau1
- Cooperation Marketing Division1
- Cooperative Extension Division1
- Cooperative Extension Work Office18
- Cooperative Marketing Division2
- Dairy Industry Bureau4
- Dairying Bureau4
- Entomology Bureau14
- Experiment Stations Office2
- Forest Service21
- Home Economics Bureau3
- Plant Industry Bureau53
- Public Roads Bureau3