Upper Yellowstone 



Clarks Fork Yellowstone 



Billings Area 



Bighorn 



Mid -Yellowstone 



Tongue 



Kinsey Area 



Powder 



Lower Yellowstone 



Figure A-l. The nine planning subbasins of the Yellowstone Basin. 



TABLE A-l. Increased water requirements for coal development in the Yellowstone 



Basin in 2000. 



CONVERSIONS: 1 mmt/y (short) = .907 mmt/y (metric) 

 1 af/y ' .00123 hm3/y 



a No water consumption is shown for export under the low level of development because, for that 

 development level, it is assumed that all export is by rail, rather than by slurry pipeline. 



83 



