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- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau and Agriculture Dept.
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- May 1947
- SuDoc number:
- A 77.502:On 4/946
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau and Agriculture Dept.
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- Apr. 1, 1947
- SuDoc number:
- A 77.502:P 84/946
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau and Agriculture Dept.
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- May 1946
- SuDoc number:
- A 77.502:On 4/945
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau and Agriculture Dept.
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- Apr. 1, 1944
- SuDoc number:
- A 77.502:P 84/943
- Corporate/Agency Authors:
- Plant Industry, Soils, and Agricultural Engineering Bureau and Agriculture Dept.
- Publisher:
- Plant Industry, Soils, and Agricultural Engineering Bureau
- Date:
- Apr. 1, 1943
- SuDoc number:
- A 77.502:P 84/942