Figure 10From: Saline systems of the Great Plains of western Canada: an overview of the limnogeology and paleolimnologySodium sulfate production from salt lakes in the northern Great Plains of western Canada. Historical changes in value of Na2SO4 (in Canadian dollars) (upper part of figure) and tonnage (lower part of figure) mined from saline lakes in Alberta and Saskatchewan from 1906 to 2000 [59].Back to article page