Author: Agriculture Department / Publisher: Public Roads Bureau - Blacklight Search Results

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461. Grain drying at country elevator; by W. M. Hurst and R. H. Black.

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: Aug. 1930
SuDoc number:: A 1.4/2:127

462. Rocks. Results of physical tests of road-building rock; compiled by D. O. Woolf.

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: July, 1930
SuDoc number:: A 1.38:76

463. Erosion and silting of dredged drainage ditches; by C. E. Ramser.

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: June, 1930
SuDoc number:: A 1.36:184

464. Irrigation practices in growing alfalfa; [by Samuel Fortier].

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: [June, 1930.]
SuDoc number:: A 1.9:1630

465. Irrigation requirements of arid and semiarid lands of the Southwest [with list of literature cited]; by Samuel Fortier and Arthur A. Young.

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: June, 1930
SuDoc number:: A 1.36:185

466. Ventilation of farm barns [with list of literature cited]; by M. A. R. Kelley.

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: June, 1930
SuDoc number:: A 1.36:187

467. Oversea highway. Uncompleted sections of Florida Overseas highway, report of uncompleted bridges of Oversea highway from Key West to mainland in Florida.

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: Mar. 12, 1930

468. Irrigation. Commercial irrigation companies [with list of literature cited]; by Wells A. Hutchins.

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: Mar. 1930
SuDoc number:: A 1.36:177

469. Alabama. Federal aid highway system, progress map: [Alabama]; data corrected to May 1, 1930. Scale 1:500,000 or 1 in.=7.891 m.

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: [1930]
SuDoc number:: A 22.9:Al 1/2/C, N, S

470. Arizona. Federal aid highway system, progress map: [Arizona]; data corrected to Sept. 30, 1929. Scale 1:760,320 or 1 in.=12 m.

Corporate/Agency Authors:: Public Roads Bureau and Agriculture Department
Publisher:: Public Roads Bureau
Date:: [1930]
SuDoc number:: A 22.9:Ar 4 1/2/N, S

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