Assertion: bison's range | /r/HasProperty | previous natural
Facets:
Source sentences:
text: The bison at Yellowstone National Park have become the foundation animals for many other bison herds throughout the United States, such as the Henry Mountains bison herd and (partially) the Wind Cave bison herd, and many groups in the United States and Canada are making efforts to return bison to much of their previous natural range.