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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:1654
- Corporate/Agency Authors:
- Agriculture Department
- Publisher:
- Agriculture Department
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1638
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1623
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1664.
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1665
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1662
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1659
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1626
- Corporate/Agency Authors:
- Forest Service
- Publisher:
- Forest Service
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1650
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- 1939
- SuDoc number:
- A 1.10/a:1653