After years of bipartisan effort, the former Chiricahua National Monument, in southeast Arizona, has become the United States’ 64th national park.

The outdoor apparel maker joined environmental and Native American groups in challenging President Trump’s reduction of Bears Ears National Monument.

© George Frey/Getty Images

Native American tribes and environmental groups are expected to challenge the move to shrink the Bears Ears and Grand Staircase-Escalante National Monuments.

Native American tribes and environmental groups are expected to challenge the move to shrink the Bears Ears and Grand Staircase-Escalante National Monuments.

© Wolfgang Kaehler/LightRocket, via Getty Images

The forthcoming order echoes President Trump’s decision to repeal executive orders that have protected other public lands from vehicles for decades.