Assertion: weir | /r/HasProperty | constructed
Facets:
value: between 1922
type: TEMPORAL
value: between 1935
type: TEMPORAL
value: out of several different materials
type: OTHER
Source sentences:
text: Weirs can be constructed out of several different materials, depending on their age and purpose.
text: While bars and riffles are present, it is thought that the river was navigable upsteam of the weir site before the weir was constructed.
text: As shown in the table below, weirs 1 to 10 were constructed between 1922 and 1935.