Assertion: alluvial fan | /r/CapableOf | border the mountain fronts
Facets:
Source sentences:
text: Alluvial fans border the mountain fronts with the apex of each fan just within a canyon mouth that serves as the outlet for a mountain drainage system.
text: Alluvial fans border the mountain fronts with the apex of each fan just within a canyon mouth that serves as the outlet for a mountain drainage system.