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PORTLAND -- The city's oldest and most historic cemetery was hit by vandals, who knocked over and crushed dozens of tombstones, some dating back to the 1800s.

Lone Fir is Portland's first cemetery and sits on the National Register of Historic Places.

This is an outdoor living museum of Portland s history and that's why it's so sad, said Frank Schaefer with Friends of Lone Fir.

The damage was done over the weekend.

Some of the worst in a long time. A few people in here for hours not being caught and wreaking havoc. That was really disturbing for me, Schaefer added.

Now park rangers are quite literally picking up the pieces.

It becomes a jigsaw puzzle at this point. You try to figure out which piece goes where, said ranger Howard Rasmussen.

Portland police estimate the damage at $5,000. They've never caught any vandals in previous incidents.

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