• Petrified wood at
  • Blue Mesa area, Petrified Forest N.P.
  • Petrified wood at
  • Blue Mesa area, Petrified Forest N.P.
  • View north from Blue Mesa
  • View north from Blue Mesa
  • Washes from Blue Mesa
  • Washes from Blue Mesa
  • Melissa Bernardino on Mogollon Rim
  • Melissa B. explains the transition zone
  • Chase T and Lily G. present the Apache Group
  • Salt River canyon wall (Apache group)
  • Anna Schroeder discusses the paleo-Salt River Canyon
  • Kevin W. explains copper deposits
  • Kevin Wentzel on porphyry copper
  • Copper Cities mine and others near Globe
  • Copper Cities mine and others near Globe
  • Copper mine near Globe
  • Lower Paleozoic rocks above Mescal Limestone at Roosevelt Dam
  • Mescal Limestone in dam abutment
  • Mescal Limestone in dam abutment
    • under Devonian and Mississippian
  • Apache Group below dam (mostly Dripping Springs Quartzite