Assertion: conservancy | /r/CapableOf | build almost 200 miles
Facets:
value: of levees along the river banks
type: LOCATION
value: by 1935
type: TEMPORAL
Source sentences:
text: By 1935 the Conservancy had built almost 200 miles (320 km) of levees along the river banks, and a system of jetties and checks to protect against floods.