41' 38" N., and longitude 98 deg.

1' 24" W.; the variation of the magnetic needle 14 deg.
12' 41" E., and its dip 83 deg.

40' 10".

Though our route from York Factory has rather inclined to the S.W., the dip, it will be perceived, has gradually increased.

The difference produced by reversing the face of the instrument was 7 deg.