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- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- May 1940
- SuDoc number:
- A 57.15:31
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- Feb. 1940
- SuDoc number:
- A 57.15:30
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- Nov. 1939
- SuDoc number:
- A 57.15:28
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- Nov. 1939
- SuDoc number:
- A 57.15:29
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- Aug. 1939
- SuDoc number:
- A 57.15:26
- Corporate/Agency Authors:
- Soil Conservation Service
- Publisher:
- Soil Conservation Service
- Date:
- July 1939
- SuDoc number:
- A 57.15:25
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- June 1939
- SuDoc number:
- A 57.15:23
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- May 1939
- SuDoc number:
- A 57.15:24
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- Apr. 1939
- SuDoc number:
- A 57.15:22
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- Jan. 1939
- SuDoc number:
- A 57.15:21