In check flooding levees are generally constructed along the contours, having vertical interval of about

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Question:
In check flooding levees are generally constructed along the contours, having vertical interval of about

1. 50 to 100 mm

2.100 to 250 mm

3.300 to 600 mm

4. 600 to 1000 mm

Posted Date:-2022-09-19 13:20:42

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