The American Prairie Foundation is a public charity located in the U.S. state of Montana.
 The foundation's objective is to build one of the largest wildlife reserves in the continental United States through a combination of new land acquisition and public land integration into the project, called the American Prairie Reserve.
 To accomplish this, the foundation estimates that it must acquire 500000 acre privately, which would then link together over 3000000 acre of existing public property.
 The Charles M. Russell National Wildlife Refuge is one of the project's anchor properties.
The American Prairie Reserve (APR) is an independent non-profit organization that has privately undertaken a project in northeastern Montana to create a wildlife conservation area of over three million contiguous acres through a combination of both private and public lands.
 APR’s goal is to acquire and manage approximately 500,000 private acres, which will serve to “glue together roughly three million acres of existing public land” to create a wildlife complex for conservation and public access.
 National Geographic has compared the project to the creation of an American Serengeti in a DVD it created about this region in 2010 (“American Serengeti”).
 <sup class="reference plainlinks nourlexpansion" id="ref_http://channel.nationalgeographic.com/episode/american-serengeti-3765/Overview">[#endnote_]</sup> In a global assessment prepared for the Temperate Grasslands Conservation Initiative (TGCI), scientists identified the area of APR in northeastern Montana as one of only four remaining areas in the world that are viable options for landscape-scale grasslands conservation.
 To promote tourism and encourage donations, APR has opened a high-end safari lodge and it continues to operate low-cost campgrounds, recruit volunteers and acquire land.

Question: In what state is the APR located?
Answer: Montana