 through the Qu'Appelle Valley and all of Saskatchewan.The CP Belle Plaine Railway Spur was developed to transport potash from the Belle Plaine mine to market, which was done by adding of rail from the mine site to the Kalium Spur near Belle Plaine.This construction was intensive and caused many million cubic metres (tens of million cubic feet) of excavation in order to build the rail beds into farmland and surrounding valley walls.