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DescriptionDrainSection2.png
Geometry of a subsurface drainage system for land reclamation
The copyright holder of this file, R.J.Oosterbaan, allows anyone to use it for any purpose, provided that the copyright holder is properly attributed. Redistribution, derivative work, commercial use, and all other use is permitted.
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R.J.Oosterbaan
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The original description page was here. All following user names refer to en.wikipedia.
2009-10-25 13:54 R.J.Oosterbaan 1073×588× (30431 bytes) PNG format instead of JPEG
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