While other federal employees have been furloughed, this week the Interior Department prepared to open more than 250,000 acres of land in Wyoming and Nebraska to oil drilling.
Officials at some agencies left open the possibility of layoffs in court filings, as the White House moved to halt more aid to Democratic-led cities and states.
Before Friday, the Trump administration had already paused or canceled about $28 billion in federal aid that had been primarily reserved for Democratic-led cities and states.