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- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1938]
- SuDoc number:
- A 22.9:W 99/7/E, W
- Corporate/Agency Authors:
- Public Roads Bureau
- Publisher:
- Public Roads Bureau
- Date:
- [July 1937.]
- SuDoc number:
- A 1.38:272
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- June 1937
- SuDoc number:
- A 1.38:279
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- Revised May 1937. 1937
- SuDoc number:
- A 22.2:T 67/2
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- Mar. 29, calendar day Apr. 1, 1937
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1937]
- SuDoc number:
- A 22.9:Ar 4i/8/N, S
- Corporate/Agency Authors:
- Public Roads Bureau
- Publisher:
- Public Roads Bureau
- Date:
- [1937]
- SuDoc number:
- A 22.9:C 12/9/C, N, SE, SW
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1937]
- SuDoc number:
- A 22.9:C 71/7/E, W
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1937]
- SuDoc number:
- A 22.9:G 29/6/N, SE, SW
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [1937.]
- SuDoc number:
- A 22.10:16/1-4