The American Exploration & Mining Association was joined by a coalition in filing a challenge last Friday in the Wyoming district court.
The company's Flat gold project is located 40 km north of the giant Donlin gold project.
There are some 10,000 mining claims in Grassy Narrows’s interim area of interest for over more than 2,850 sq. km in the province’s far northwest.
Alamos has entered into a gold sale prepayment agreement, securing $116 million in exchange for delivering 49,384 oz. of gold in 2025.
