Ironically, the last tweet from the Interior Department handle targeted Rep. Deb Haaland, who is now on the verge of taking over the agency.
Despite high-profile Cabinet defections, the heads of the Interior and Energy departments and EPA are staying put.
At least two other top Interior Department officials have contracted the coronavirus in recent weeks.
Democratic lawmakers are demanding a criminal investigation, saying political appointees "orchestrated a coverup to protect" Secretary David Bernhardt.
"This type of cavalier and callous indifference for human safety is unacceptable," said Democratic Sens. Ron Wyden, Jeff Merkley and Elizabeth Warren.
The Great American Outdoors Act will fix crumbling national park infrastructure and permanently support the popular Land and Water Conservation Fund.
The administration is purging inspectors general from U.S. agencies. But these oversight officials have faced a slow strangling since Trump took office.
A high-ranking agency official jumped at the chance to discuss the department initiative with Steve Milloy, a zealous science denier.
The ex-Utah congressman, who in 2017 proposed selling off 3 million acres of public land, is on a mission to ensure people can flood national parks during a pandemic.
The Trump administration had resisted closing park services, until now.