The ore was said to have both copper and gold. Later that year, the Tubal-Cain Copper & Manganese Mining Co. headquartered in Seattle built a trail and began to mine ore out of the area. After an avalanche in 1912, which destroyed the main sawmill, powderhouse, and barn and clubhouse, activity at the mine declined.
It was reported that the ore contained both copper and gold. In the same year, the Tubal-Cain Copper & Manganese Mining Co., based in Seattle, built a path and began extracting ore from the area. Following an avalanche in 1912, which destroyed the main facilities, including the sawmill, powderhouse, and buildings, mining activity at the site slowed down.