- Coal: Washington is the fourth largest coal-producing state in the United States. Coal is mined in several counties, including King County, Kittitas County, and Pierce County.
- Copper: Copper is mined in several counties in Washington, including Chelan County, Okanogan County, and Pend Oreille County.
- Gold: Gold is mined in several counties in Washington, including Chelan County, Okanogan County, and Pend Oreille County.
- Iron ore: Iron ore is mined in several counties in Washington, including Ferry County, Pend Oreille County, and Stevens County.
- Zinc: Zinc is mined in several counties in Washington, including Chelan County, Okanogan County, and Pend Oreille County.
- Other minerals mined in Washington include barite, cement, clay, diatomite, limestone, olivine, sand and gravel, and silica.
The mining industry in Washington is an important contributor to the state's economy. The industry provides jobs for thousands of people and generates billions of dollars in revenue.