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- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- 1938
- Corporate/Agency Authors:
- Agricultural Engineering Bureau and Agriculture Department
- Publisher:
- Agricultural Engineering Bureau
- Date:
- [Feb. 1936, reprint 1938.]
- SuDoc number:
- A 1.9:1754/1-2
- Corporate/Agency Authors:
- Extension Service and Agriculture Department
- Publisher:
- Extension Service
- Date:
- 1938
- SuDoc number:
- A 43.2:M 97
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- Jan. 1938
- SuDoc number:
- A 47.5:933/13
- Corporate/Agency Authors:
- Forest Service and Agriculture Department
- Publisher:
- Forest Service
- Date:
- [1938.]
- SuDoc number:
- A 13.2:J 35
- Corporate/Agency Authors:
- Forest Service and Agriculture Department
- Publisher:
- Forest Service
- Date:
- [1938.]
- SuDoc number:
- A 13.10:938
- Corporate/Agency Authors:
- Cooperative Extension Division, Extension Service, and Agriculture Department
- Publisher:
- Cooperative Extension Division
- Date:
- [1938.]
- SuDoc number:
- A 43.5/19:N 31
- Corporate/Agency Authors:
- Plant Industry Bureau and Agriculture Department
- Publisher:
- Plant Industry Bureau
- Date:
- 1938
- SuDoc number:
- A 1.23/a:N 34/20
- Corporate/Agency Authors:
- Chemistry and Soils Bureau and Agriculture Department
- Publisher:
- Chemistry and Soils Bureau
- Date:
- [1938.]
- SuDoc number:
- A 47.5/2:N 42j/938
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1938]
- SuDoc number:
- A 22.9:N 42 m/7/N, S