Both sites contain examples of Indigenous art including petroglyphs and pictographs

Opponents of the plan say Nine Mile Canyon, described as “the world’s longest art gallery”, is too narrow and fragile to accommodate the widened road and increased tanker traffic

The White River Narrows, located around two hours north of Las Vegas, is known for its various petroglyph galleries that date back around 4,000 years

The National Park Service has issued an open call for information leading to the persons involved in the incident

The Bureau of Land Management is offering a $10,000 reward for information leading to the arrest of those responsible

A man installed several bolts on and around petroglyphs he believed were "graffiti"