Display surface contours in the drawing to define the basin from a surface or surface contours. This is a prerequisite if you want to use the 
  Define From Entities option in the 
  Stage Storage dialog box. 
Note:  
  The contours or polylines to be used with the Stage Storage command must be closed. 
- Open a drawing that contains a basin you would like to study. 
  
 
- To view surface contours, right-click on the surface, and click 
	 Edit Surface Style. 
  
 
- In the 
	 Surface Style dialog box, on the 
	 Display tab: 
	 
- Set 
		  Major Contours and 
		  Minor Contours to be visible. 
		
 
- Optionally, set 
		  User Contours and 
		  Watersheds to be visible. 
		
 
- Click 
		  OK.