Rukmini Callimachi and Michael Hanson

After federal officials began a sweep of a vast forest in Oregon, most of the people who had used the woods as a last refuge had left. But they didn’t go far.With nowhere else to go, many drove their aging R.V.s to a different forest just a few dozen miles away. Advocates for the homeless

Federal officials began clearing a forest where dozens of homeless people live in derelict R.V.s and cars.Federal forest officials began clearing thousands of acres of forest just outside of Bend, Ore., where more than 100 people live in R.V.s and cars — a move that one advocacy group called “the largest eviction of a homeless