Passport Potash received permits from the Arizona Oil and Gas Conservation Commission to drill 8 exploratory coreholes on the Twin Buttes Ranch property near Holbrook to evaluate the potash potential. AZGS issued the permits on behalf of the Commission. In 2008, AZGS released a report showing that vast potash resources may underlie the area. [right, credit Passport Potash]
Meanwhile Mesa Uranium announced that "it has signed a non-binding letter of intent with Passport Potash ("PPI") on the Holbrook Potash project. The project consists of Arizona State Land Department exploration leases covering 1,950 acres and is 100% wholly-owned by Mesa."
Mesa Uranium says it "explores and develops lithium, uranium and potash properties in the western United States. Mesa's Green Energy Lithium Project in Utah contains lithium values as high as 1,700 ppm, 8% potash, 19% magnesium chloride, 0.6% bromine and 0.12% boron. - ."