National parks

In this Saturday, Sept. 22, 2018, photo released by the National Park Service, park rangers hoist a flag on the first day Hawaii Volcanoes National Park reopened after volcanic activity forced the park to close for more than four months in Hawaii. (Janice Wei/National Park Service via AP)

FILE - In this July 6, 2011 file photo, a grizzly bear roams near Beaver Lake in Yellowstone National Park. Opponents of grizzly bear hunts planned in Wyoming and Idaho are asking a judge to further delay hunting while he considers a request to restore federal protections for the animals. (AP Photo/Jim Urquhart, File)

FILE -- In this July 2008 file photo, a mountain goat in Olympic National Park faces a photographer on the Switchback Trail in the Klahhane-Hurricane Ridge-Switchback Trail area near Port Angeles, Wash. A five-year effort to rid Olympic National Park of its mountain goats got under way as park officials and others began capturing and airlifting the animals by helicopters out of the park to other forests. (Diane Urbani de la Paz/Peninsula Daily News via AP, File)

FILE - In this Sept. 25, 2013, file photo, a grizzly bear cub searches for fallen fruit beneath an apple tree a few miles from the north entrance to Yellowstone National Park in Gardiner, Mont. A judge will decide whether the Lower 48 states' first grizzly bear hunting season in more than four decades will open as scheduled the weekend of Aug. 31, 2018. (Alan Rogers/The Casper Star-Tribune via AP, file)

FILE - In this Sept. 25, 2013, file photo, a grizzly bear cub searches for fallen fruit beneath an apple tree a few miles from the north entrance to Yellowstone National Park in Gardiner, Mont. A judge will decide whether the Lower 48 states' first grizzly bear hunting season in more than four decades will open as scheduled the weekend of Aug. 31, 2018. (Alan Rogers/The Casper Star-Tribune via AP, file)

In this April 10, 2018 photo, Jamestown Rediscovery Foundation archeologists show artifacts and discuss what they know about one of the first enslaved Africans to live in English North America in Jamestown, Va. They’re at the excavation site of a house where an enslaved woman named Angela lived in the 1600s. A new tour at the site of the historic Jamestown colony encourages visitors to consider the beginnings of American slavery. It’s part of a broader national effort to reckon with slavery’s legacy. (AP Photo/Steve Helber)

This photo provided by the National Park Service shows a large sinkhole at the Kilauea Overlook intersection inside Hawaii Volcanoes National Park in Hawaii on Friday, Aug. 17, 2018. Slowing activity at Hawaii's Kilauea volcano is prompting scientists to downgrade their alert level for the mountain. (Janice Wei/National Park Service via AP

FILE - In this July 6, 2000, file photo, Pilot Rock rises into the clouds in the Cascade-Siskiyou National Monument near Lincoln, Ore. Contrary to President Donald Trump's numerous efforts to shred Obama's legacy, U.S. Justice Department lawyers are in Obama's corner as they defend his expansion of the national monument in Oregon. (AP Photo/Jeff Barnard, File)