Assertion: railroad's route | /r/CapableOf | require crossing 1,600 km
Facets:
value: across the barren canadian shield
type: LOCATION
value: of rugged terrain
type: OTHER
Source sentences:
text: In addition to this was the difficulty of building a railway through the Canadian Rockies; an entirely Canadian route would require crossing 1,600 km (990 mi) of rugged terrain across the barren Canadian Shield and muskeg of Northern Ontario.