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- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1657
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1612
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1656
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1663
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1607
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1642
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1624
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1658
- Corporate/Agency Authors:
- Agriculture Department
- Publisher:
- Agriculture Department
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1667
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- [1937.]
- SuDoc number:
- A 1.10/a:1586