• In 1963, the Leopold Report, also known as “Wildlife Management in National Parks,” which supported scientific research and science-based management of the national parks was published.
  • In 1967, annual park visitation exceeded 2 million people for the first time.
  • In 1968, the nightly firefall from Glacier Point ended.
  • In 1969, the Wawona Tunnel Tree fell down and the Glacier Point Hotel burned down.