Assertion: magnetic field's pole | /r/HasProperty | lumbering
Facets:
value: each day
type: TEMPORAL
value: in the mid 1900s
type: TEMPORAL
value: at less than a hundred feet
type: LOCATION
Source sentences:
text: In the mid 1900s, the north magnetic pole was lumbering along at less than a hundred feet each day, adding up to less than seven miles of difference each year.