the non-wet area is flat by design and any excess water in this surface may go in any direction due to slight differences in levels.
How to calculate and measure slope - EngineerSupply
Why is topography important in agriculture❓
No-Till Farming: Benefits, Challenges, And Sustainable Effects
Understand the problems due to incorrect slope in wet areas of
How to Plan and Build Secure Retaining Wall Corners
CHAPTER 4 DRAINAGE DESIGN
Slope Stability
Types of Retaining Walls: Which One Is Best for Your Home
Regulatory jurisdiction
Understand the problems due to incorrect slope in wet areas of
Landslide! How groundwater affects the stability of slopes
Soil Moisture Content in Construction
Does Your Tile Slope To the Drain?