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 ...

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.

A $1,500 reward has been offered for tips on the vandalism of ancient petroglyphs at the Volcanic Tableland near Bishop, California. Photo from Bureau of Land Management Ancient petroglyphs ...

The carvings — which depict a wide variety of things such as animals, humans, birds, and geometric shapes — have given archaeologists groundbreaking insights into the ancient history of the area.

Ancient petroglyphs, some believed to be up to 7,000 years old, have been vandalized on federal land in the Eastern Sierra Nevada, officials reported. The petroglyphs, called “one of the most ...