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Irrigation Department

වාරිමාර්ග දෙපාර්තමේන්තුව

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Proceedings of the 22nd annual meeting by
Material type: Text Text
Publication details: National Research council U.S.
Availability: No items available.

2.
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The appraisal of terrain conditions for highway engineering purposes by
Material type: Text Text
Language: English
Publication details: Highway research board, Division of Engineering and Industrial Research, National Research Council Washington 1948
Availability: Items available for loan: Irrigation Department Library (1).

3.
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Soil Density Control Methods Highway Research Board Bulletin 159 by
Material type: Text Text
Language: Sinhala
Publication details: National Academy of Sciences- National Research Council Washington 1957
Availability: Items available for loan: Irrigation Department Library (1).

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