Assertion: alluvial fan | /r/HasProperty | deposited
Facets:
value: during a single flood event
type: TEMPORAL
Source sentences:
text: An alluvial fan could have been deposited and formed outside of a mountain range, however, thrusting of the mountain belt could cause the alluvial fan to become broken up by the new mountain forming.
text: This alluvial fan was deposited during a single flood event, the 1982 failure of the Lawn Lake Dam in Rocky Mountain National Park.