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- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Sept. 1925, reprint 1933.]
- SuDoc number:
- A 1.9:1460/1-6
- Corporate/Agency Authors:
- Public Roads Bureau
- Publisher:
- Public Roads Bureau
- Date:
- [May, 1924, revised Jan. 1928, slightly revised Sept. 1932.] [1932.]
- SuDoc number:
- A 1.9:1404/3
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Nov. 1930, reprint 1932.]
- SuDoc number:
- A 1.9:1649/1-2
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Aug. 1926, reprint 1932.]
- SuDoc number:
- A 1.9:1500/1-5
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Jan. 1922, revised Oct. 1928, reprint 1932.]
- SuDoc number:
- A 1.9:1227/2-4
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Mar. 1931.]
- SuDoc number:
- A 1.9:1662
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Mar. 1931.]
- SuDoc number:
- A 1.9:1660
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Feb. 1931.]
- SuDoc number:
- A 1.9:1658
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [Apr. 1924, reprint 1931.]
- SuDoc number:
- A 1.9:1393/1-2
- Corporate/Agency Authors:
- Public Roads Bureau and Agriculture Department
- Publisher:
- Public Roads Bureau
- Date:
- [July, 1929, reprint 1931.]
- SuDoc number:
- A 1.9:1572/1-3