The outer limit of the cone of depression from coal seam dewatering 

 remained about the same distance north of the International Boundary. 

 Pumpage from the mine had a 37 percent decrease compared to pumpage 

 in 1987. 



The total estimate of seepage from the ash lagoons and polishing pond 

 was 0.90 litre per second, much less than seepage limits proposed by 

 the International Poplar River Water Quality Board. The leachate 

 front was calculated to have advanced 10.79 metres towards Cookson 

 Reservoir since the ponds were first filled. 



Plant stack emissions did not cause or contribute to violation of 

 Montana, United States or Saskatchewan ambient air quality standards. 



-vi- 



