N'afọ 1943, mgbe Onyeisi ala Franklin D. Roosevelt kwupụtara Jackson Hole National Monument na Wyoming. O mere nke a iji nabata onyinye nke ala nke John D. Rockefeller, Jr. nwetara maka mgbakwunye na Grand Teton National Park mgbe Congress jụrụ inye ikike maka mgbasawanye ogige a. Nkwupụta nke Roosevelt mere ka oké ifufe nke nkatọ banyere iji ihe ochie mee ihe iji gbochie Congress. A na-eme iwu iji kpochapụ Jackson Hole National Monument Congress gafere ma Roosevelt vetoed, na Congress na ụlọ ikpe na-agbagha ikike nkwupụta ahụ. N'afọ 1950, Congress mechara tinye ọtụtụ n'ime ihe ncheta ahụ na Grand Teton National Park, ma iwu ahụ na-eme ka a ghara iji ikike nkwupụta ahụ na Wyoming mee ihe ọzọ ma e wezụga maka mpaghara nke 5,000 acres ma ọ bụ obere. Ajụjụ: Kedu onye nwetara ala ahụ tupu onyinye ahụ?
John D. Rockefeller, Jr.