Assertion: gully's channel | /r/HasProperty | main gully
Facets:
Source sentences:
text: A continuous gully has a main gully channel and many mature or immature branch gullies.
text: A continuous gully has a main gully channel and many mature or immature branch gullies.
text: In deteriorated mountain watersheds, each continuous gully in a gully network usually has a distinct catchment and a main gully channel, but it may or may not have a fan (Fig. 4).