The Tahltan Central Government June 24 said it is demanding the shutdown of jade and placer gold mining in the Tahltan Territory of northern British Columbia.

The Tahltan Nation's 95,933-square-kilometer (37,040 square miles) territory covers 70 percent of B.C.'s Golden Triangle. This area has been an active placer gold producing region for more than 150 years and the nephrite jade deposits in the...