What is the setting of The Monkey Wrench Gang by Edward Abbey?

The novel is set in the southwestern United States, primarily in the area around Albuquerque, New Mexico, and Utah. The setting changes rapidly between the populated areas of the southwest and the wilderness of the area. The landscape in this novel is as vital as many of the characters in that the entire novel revolves around the destruction of the landscape and the responses of four environmentalists against that destruction.