Authorities are seeking the public's help in finding individuals who desecrated ancient, protected tribal rock carvings near Bishop, California.

Ancient petroglyphs carved into volcanic rock outside Bishop in the eastern Sierra were recently damaged by vandals, and federal authorities want to bring the wrongdoers to justice. The U.S. Bureau of Land Management is offering a $1,

The damage to the stone carvings, some of which date back 7,000 years, was discovered at three separate sites at the Volcanic Tableland, north of Bishop.

The Bureau of Land Management is offering a $1,500 reward for information leading to the vandals who desecrated ancient Native American petroglyphs in California. The protected rock carvings at Volcanic Tableland near Bishop were created by the Paiute-Shoshone tribe before European settlers came to the area,