Chester Mining Co. operates as a mineral exploration company. The company is headquartered in Spokane Valley, Washington. The company went IPO on 2001-09-20. The company explores the Chester property, located east of the Sunshine Mine in the heart of Idaho. The Sunshine Mine is a silver valley. Its properties include The Bismark Property, The Chester Property, and Conjecture Mine. In The Coeur d'Alene Mining District, the Company owns two claim groups in the immediate vicinity of the Sunshine Mine: the Chester and Bismark properties. The Bismark property consists of an approximately 75-acre parcel, adjacent to the Sunshine Mine property. Its Chester property consists of an over 100 acre parcel, surrounded by the Sunshine Mine property and. The Conjecture property consists of approximately 240-acres and includes both patented and unpatented lode mining claims, located in the Lakeview Mining District of northern Idaho, around 30 miles northwest of the Coeur d'Alene Mining District.