- 35 - 



Contour intervals are in 

 metres of pressure head. 



_R G E 281 RGE 2 7 SASKATCHEWAN 

 W3M MONTANA 



RG E 271 RGE 2^ 

 W3M 



Figure 7. Cone of Depression in the Hart Coal Seam from 

 Dewatering Activities as of December, 1986. 



