Show manitoba boundary the lower half of the boundary between manitoba and Sas katch ewan la is stepped because crossing a well set tied farming district it follo follows a the survey surrey lines survey lines in northwestern canada are of course always stepped this being necessary in view of the fact that the meridians of longitude which form the basis of the surveyors calculations converge as they go north and the distance between them instead of remaining uniform Is thus gradually narrowing whereas survey unes lines have to be kentl kept straight I 1 |