Assertion: canadian railroad | /r/HasProperty | changed to standard gauge
Facets:
value: to facilitate interchange
type: PURPOSE
value: in the 1870s
type: TEMPORAL
Source sentences:
text: However, in the 1870s, most Canadian railroads (apart from some narrow-gauge lines, e.g. on the island of Newfoundland) were changed to standard gauge to facilitate interchange with U.S. railroads.