Assertion: aqueduct's channel | /r/HasProperty | 50–55 centimetres
Facets:
value: for the most part
type: TEMPORAL
value: underground throughout its course
type: TEMPORAL
Source sentences:
text: For the most part, the channel was 50–55 centimetres (20–22 in) underground throughout its course which is relatively shallow in comparison to the other aqueducts perhaps because the Romans were adapting what they knew about their practice in sewers.