a WW2 White half track was left on Boulder Mountain in Utah roughly in the 1960s, and became a part of the Dixie National Forest near Bryce Canyon... until last week, when it was actually stolen. The park service can't figure out how it was stolen

Forest rangers don't know exactly how it ended up in the Boulder Mountain Row Lakes area or how it was used likely after the war, but it may have been placed there five or six decades ago.

The Insider, a local newspaper in the region, reported in 2017 the vehicle was purchased and brought to the region to help with logging efforts in Boulder Mountain during the 1950s. One of the men explained to the outlet the vehicle was left there in 1954 after it suffered engine failure as the team tried to move it off the mountain through heavy snow. It had been there ever since.

it had been there for long enough that it had become Forest Service property and an archaeological piece of the land. Therefore it was protected by the Archaeological Resources Protection Act of 1979.

 https://www.ksl.com/article/51052680/we-were-all-kind-of-stunned-historic-military-vehicle-stolen-from-national-forest-