It was written as a possible source for a screenplay, and was later adapted by the author, and was produced as a film of the same name in 1990 by Kevin Costner, although there were many differences between the novel and film.
Novel terseut ditulis sebagai sumber memungkinkan untuk sebuah skenario, dan kemudian diadaptasi oleh pengarang tersebut, dan diproduksi sebagai sebuah film bernama sama pada 1990 oleh Kevin Costner, meskipun ada beberapa perbedaan antara novel dan film tersebut.