Interior Secretary Ryan Zinke speaks on the Trump Administration’s energy policy at the Heritage Foundation in Washington, in September. Nine of 12 members of the National Park Service advisory board resigned Monday citing Zinke’s unwillingness to meet with the panel.

Interior Secretary Ryan Zinke speaks on the Trump Administration’s energy policy at the Heritage Foundation in Washington, in September. Nine of 12 members of the National Park Service advisory board resigned Monday citing Zinke’s unwillingness to meet with the panel.