In this April 11, 2019, radio segment on ancient ground stones found in Arizona, KJZZ 91.5, the public radio station in Tempe, Arizona, interviews UOG Press Managing Editor Victoria Leon Guerrero on the history of a similar implement found in Micronesia, the lusong.

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Untold Arizona: The Ancient Ground Stones Of Arizona

science.kjzz.org

When people think of Bisbee, Arizona, the mining industry is likely top of mind.

Diana Grege is one of the volunteers who keep the Bisbee Restoration Museum alive.

"This building was built in 1908. It was restored after a fire. So the original building was 1902, designed by an architect in El Paso," Grege said.

While a substantive amount of the museum is devoted to mining, it wasn’t the precious mineral history preserved here that makes an impression.

I first visited last December and recently returned to find out more about some ancient rocks on display called metates.

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