The administration announced plans in June to eliminate federal protections across millions of acres of Alaskan wilderness, including Tongass National Forest in Sitka, Alaska.
Layoffs and departures after pressure from the Trump administration have left sites struggling, with the remaining employees each doing the work of two or three people.
A National Park Service custodian cleaning a bathroom in Yosemite National Park in February. At another national park, in Colorado, all the custodial staff have been fired and the other staff members have had to take on their duties.