The Bureau of Land Management’s Price Field Office is investigating the vandalism incident at the Buckhorn Draw Pictograph Panel in the San Rafael Swell, the agency said on Facebook on Feb. 3.

Four petroglyphs of bighorn sheep carved by indigenous Americans 3,000 years ago were vandalized and permanatlyThe Bureau of Land ... a significant prehistoric cultural resource at San Rafael Swell.

An image of the vandalized petroglyphs at the Buckhorn Draw Pictograph Panel within the the San Rafael Swell. Bureau of Land Management officials said the damage was discovered on Jan. 17.

The San Rafael Swell is nearly 3,000 square miles of rugged terrain in south-central Utah offering impressive natural scenery and unusual geological features that rival those found in Utah's ...