https://en.wikipedia.org/wiki/History_of_nuclear_weapons#From_Los_Alamos_to_Hiroshima
The Trinity_(nuclear_test) site is in the Jornada_del_Muerto Desert.
https://en.wikipedia.org/wiki/Timeline_of_the_Manhattan_Project#1945
The White_Sands_Missile_Range was remote, but there was still damage to people and animals in NM.
https://en.wikipedia.org/wiki/White_Sands_National_Park
https://thedigitallabyrinth.blogspot.com/search?q=Oppenheimer
https://thedigitallabyrinth.blogspot.com/search?q=The+Manhattan+Project