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Irrigation Department

වාරිමාර්ග දෙපාර්තමේන්තුව

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Hydrology For Urban Land Planning- A Guidebook on the Hydrologic Effects of Urban Land Use by Series: Geological Survey Circular ; 554
Material type: Text Text
Language: English
Publication details: United States Department of the Interior U.S.A. 1968
Availability: Items available for loan: Irrigation Department Library (1).

2.
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Program for Evaluating Stream Quality in North California by Series: Geological Survey Circular
Material type: Text Text
Language: English
Publication details: U.S. Geological Survey Arligton 1978
Availability: Items available for loan: Irrigation Department Library (1).

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WASHINGTON, D.C.'S VANISHING SPRINGS AND WATERWAYS by Series: GEOLOGICAL SURVEY CIRCULAR ; 752
Material type: Text Text
Language: English
Publication details: United States Department of the Interior USA 1977
Availability: Items available for loan: Irrigation Department Library (1).

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