Person ^? H. Barrett

• From 1912-01-01 to 1912-12-31, Administrateur of THE SAINT-IVES CONSOLIDATED MINES. LTD
• From 1917-01-01 to 1917-12-31, Administrateur of THE SAN MIGUEL COPPER MINES LIMITED (EN LIQUIDATION)
• From 1917-01-01 to 1917-12-31, Administrateur of Pena Copper Mines, Ld