Assertion: glacier's surface | /r/CapableOf | slop in an up-ice direction
Facets:
value: steeply
type: MANNER
Source sentences:
text: The deposits in the ice proximal part of the outwash plain were deposited atop the glacial terminus, and when the ice melted away, these (Fig. 9) deposits collapsed to form an irregular surface that sloped steeply in an up-ice direction.