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- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [May, 1927, revised June, 1929.] [1929.]
- SuDoc number:
- A 1.9:1526/2
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Oct. 1922, reprint 1929.]
- SuDoc number:
- A 1.9:1279/1-6
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [May, 1926, reprint 1929.]
- SuDoc number:
- A 1.9:1480/1-3
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [June, 1917, revised June, 1927, reprint 1929.]
- SuDoc number:
- A 1.9:815/3-2
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [June, 1917, revised July, 1926, reprint 1929.]
- SuDoc number:
- A 1.9:805/5-3
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [July, 1906, revised Dec. 1927, reprint 1929.]
- SuDoc number:
- A 1.9:864/4-2
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [May, 1924, revised Jan. 1928, reprint 1929.]
- SuDoc number:
- A 1.9:1404/2-2
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Jan. 1922, revised Oct. 1928.] [1928.]
- SuDoc number:
- A 1.9:1227/2
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Mar. 1921, revised Sept. 1928.] [1928.]
- SuDoc number:
- A 1.9:1194/3
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [June, 1928.]
- SuDoc number:
- A 1.9:1556