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- Agriculture Department187
- Plant Industry Bureau46
- Biological Survey Bureau28
- Forest Service23
- Animal Industry Bureau22
- Home Economics Bureau20
- Agricultural Economics Bureau19
- Chemistry and Soils Bureau13
- Entomology and Plant Quarantine Bureau13
- Dairy Industry Bureau11
- Agricultural Engineering Bureau4
- Soil Conservation Service3
- Entomology Bureau2
- Cooperative Extension Work Office1
- Grain Futures Administration1