Brief History of Uranium
Development in Diné Communities

• First U mines opened in late-40s to early 50s
• Major uranium mining in Navajo Country:
  — Oak Springs-Red Valley-Cove
  — Monument Valley-Kayenta
  — Tuba City-Cameron
  — Church Rock-Mariano Lake-Smith Lake
  — Thoreau-Baca-Haystack-Ambrosia Lake
• USAEC "buying stations" in 1940s-1960s —
  — four uranium mills operated in '50s-'60s (Mexican Hat,
       Monument Valley, Shiprock, Tuba City)
  — incentive programs —> "dog hole" mines