Assertion: lake's water level | /r/CapableOf | fall in 20th century
Facets:
value: during droughts
type: TEMPORAL
value: earlier
type: TEMPORAL
Source sentences:
text: Daily monitoring of the Sea of Galilee's water level began in 1969, and the lowest level recorded since then was November 2001, which today constitutes the "black line" of 214.87 meters below sea level (although it is believed the water level had fallen lower than the current black line, during droughts earlier in the 20th century).