The Souris River in southern Manitoba is well known as a river which shows a very sharp elbow in its course between the source south-east of Regina (Saskatchewan) and the mouth near Treesbank in Manitoba. There have been only three publications so
The Dutch-Belgium and the Dutch-German frontiers are normally spoken very permeable. Yet they are in many respects sharp barriers. In respect to education and health facilities frontier crossing is very difficult and this is also the case
Nivation is an intensive thermogenous process of rock's destruction acts near snow banks in spring and summer| it as widespread in mountains and high latitudes. The nivation results from the solar energy which causes sharp contrast in temperatures