Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Asali an rubuta shi azaman rubutun ƙira ta Michael Blake, ba a siyar da shi ba a tsakiyar shekarun 1980. Koyaya, Kevin Costner ya fito ne a cikin fim ɗin Blake na baya, Stacy's Knights (1983), kuma ya ƙarfafa Blake a farkon 1986 don juya rubutun Yamma zuwa labari don inganta damar da za a samar. Mawallafin ya ƙi da masu wallafawa da yawa amma a ƙarshe an buga shi a cikin takarda a cikin 1988. Costner ya sayi haƙƙoƙin, tare da ido don gudanar da shi.Ainihin samarwa ya ɗauki watanni huɗu, daga 18 ga Yuli zuwa 23 ga Nuwamba, 1989. Yawancin fim din an yi fim a wuri a Dakota ta Kudu, galibi a gonaki masu zaman kansu kusa da Pierre da Rapid City, tare da 'yan al'amuran da aka yi fim a Wyoming. Takamaiman wurare sun haɗa da Badlands National Park, da Black Hills, da Sage Creek Wilderness Area, da yankin Belle Fourche River. An yi fim din wasan kwaikwayon bison a Triple U Buffalo Ranch a waje da Fort Pierre, Dakota ta Kudu, kamar yadda aka yi wa Fort Sedgewick, an gina saitin a kan dukiya.  Tambaya: Wanene ya rubuta ainihin rubutun rubutun?
Michael Blake