Assertion: barren ground caribou | /r/CapableOf | follow frozen lakes
Facets:
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.