Assertion: ground caribou | /r/CapableOf | follow esker
Facets:
value: to follow frozen lakes
type: PURPOSE
Source sentences:
text: They tend to follow frozen lakes and rivers, open snow-free uplands, and eskers, or long narrow hills of soil and rock dumped by glaciers.
text: They tend to follow frozen lakes and rivers, open snow-free uplands, and eskers, or long narrow hills of soil and rock dumped by glaciers.