Subsidiaries of the Companies
Tonkin Springs Gold Mining Company, a Colorado corporation
U.S. Environmental Corporation, a Colorado corporation
International Copper ULC, an Alberta corporation
US Gold Alberta ULC, an Alberta corporation
McEwen Mining Alberta ULC, an Alberta corporation
US Gold Canadian Acquisition Corporation, an Alberta corporation
McEwen Mining - Minera Andes Acquisition Corporation, an Alberta corporation
Minera Andes Inc., an Alberta corporation
Tonkin Springs LLC, a Delaware limited liability company
Tonkin Springs Venture Limited Partnership, a Nevada limited partnership
Pangea Resources, Inc., an Arizona corporation
Compania Minera Pangea S.A. de C.V., a Mexican corporation
Oro de Sotula S.A. de C.V., a Mexican corporation
Nevada Pacific Gold (US) Inc., a Nevada corporation
White Knight Gold (US) Inc., a Delaware corporation
WKGUS LLC, a Nevada limited liability company
Golden Pick LLC, a Nevada limited liability company
NPGUS LLC, a Nevada limited liability company
Ticup LLC, a Nevada limited liability company
International Copper Mining Inc., a Cayman corporation
Los Azules Mining Inc., a Cayman corporation
San Juan Copper Inc., a Cayman corporation
Minera Andes Mining Inc., a Cayman corporation
Minera Andes Santa Cruz Inc., a Cayman corporation
Latin America Exploration Inc., a Cayman corporation
Minera Andes Gold Inc., a Cayman corporation
Andes Corporacion Minera S.A., an Argentinean corporation
Las Yaretas S.A., an Argentinean corporation
Minera Andes S.A., an Argentinean corporation
Minera Santa Cruz S.A., an Argentinean corporation
Minandes S.A., an Argentinean corporation