Assertion: ground moraine | /r/HasProperty | deposited as the glacier retreats
Facets:
Source sentences:
text: They are accumulated at the base of the ice as lodgment till, but may also be deposited as the glacier retreats.
text: They are accumulated at the base of the ice as lodgment till, but may also be deposited as the glacier retreats.
text: It is accumulated at the base of the ice as lodgment till, but may also be deposited as the glacier retreats.