The applications have been executed and finalized by the Arizona State Land Department.
These leases, named Zebra Property, were the focus of an exploration program in the 1980s, which included geochemistry, geophysics, mapping, sampling and drilling, the company said.
Tombstone Exploration is focused primarily on exploration and development of mineral resources.
The company has the mineral rights to about 11,500 acres of historical mining land in the areas around Tombstone, Arizona.
