Assertion: river's tributary | /r/HasProperty | about 285 km
Facets:
Source sentences:
text: The Tame is about 95 km (59 mi) long from the source at Oldbury to its confluence with the Trent near Alrewas, but the main river length of the entire catchment, i.e. the Tame and its main tributaries, is about 285 km (177 mi).