Tombstone Exploration Corporation announced the results of the processed and refined ore from Metalor USA that was shipped from the Bonanza Harquahala Mine on May 3, 2022. This is the third delivery of precious metals in 2022. The results of the processed material produced 303.85 oz of dore which delivered 65.96 oz of Au and 58.51 oz of Ag.

The leach has been running 24/7 and continues as crushed rock and leach material are loaded onto the pad. The fourth shipment for processing the carbon and refining the gold and silver ore for 2022 is expected to be shipped on June 3, 2022.