Assertion: city's river | /r/CapableOf | shift its flow
Facets:
value: between mission bay
type: LOCATION
value: presumably earlier as well
type: TEMPORAL
value: during the historic period
type: TEMPORAL
Source sentences:
text: During the historic period and presumably earlier as well, the river has shifted its flow back and forth between San Diego Bay and Mission Bay, and its fresh water was the focus of the earliest Spanish explorers.