MAJOR GEOGRAPHIC FEATURES
The northern third of Saskatchewan is in the Canadian Shield and has many lakes and rivers. The southern two-thirds of the province is a plain region that's surface varies from sandy to stony soils of silt and clay. The Manitoba Plain in the northeast has marshes and lakes and rocky soil.
Forests are found in the north and in the south, are the provinces richest soils. The largest lakes are Athabasca, Woolaston, and Reindeer. The only large river is the Saskatchewan. Gardiner Dam is a large storage facility on the Saskatchewan River.