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- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1939.]
- SuDoc number:
- A 22.6:20/4
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- Revised edition, 1939. [Washington] Geological Survey [1939.]
- SuDoc number:
- A 22.9/2:R 34/2
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1939.]
- SuDoc number:
- A 22.9:T 25/10/E,W
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1939.]
- SuDoc number:
- A 22.9:T 31/8/NC, NE, NW, SC.SE.SW
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- 1939
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1939.]
- SuDoc number:
- A 22.9:T 67
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1939]
- SuDoc number:
- A 22.9:T 67/2
- Corporate/Agency Authors:
- Public Roads Bureau
- Publisher:
- Public Roads Bureau
- Date:
- 1939
- SuDoc number:
- A 22.2:V 53/2/act 2/rev.938
- Corporate/Agency Authors:
- Public Roads Bureau
- Publisher:
- Public Roads Bureau
- Date:
- 1939
- SuDoc number:
- A 22.2:V 53/2/act 5/rev.938
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1939]
- SuDoc number:
- A 22.9:Ut 1/9/N, S