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- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- [Sept. 1930, revised Dec. 1939.] [1940.]
- SuDoc number:
- A 57.2:D 18/939
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- 1940
- SuDoc number:
- A 57.9:5/ind.
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- [1940.]
- SuDoc number:
- A 57.2:Er 6/6
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- [1940.]
- SuDoc number:
- A 1.38:394
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- [1940.]
- SuDoc number:
- A 57.2:Er 6/7
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- [1940.]
- SuDoc number:
- A 57.2:So 3/18
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- [1940.]
- SuDoc number:
- A 57.2:So 3/17
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- 1940
- SuDoc number:
- A 57.24:Sp 2
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- [1940.]
- SuDoc number:
- A 57.2:T 27/2
- Corporate/Agency Authors:
- Soil Conservation Service and Agriculture Department
- Publisher:
- Soil Conservation Service
- Date:
- 1940 [published 1941]
- SuDoc number:
- A 57.24:21