Spark from hammer, metal stake caused Ranch fire in 2018, California’s largest wildfire – Santa Rosa Press Democrat
- Spark from hammer, metal stake caused Ranch fire in 2018, California’s largest wildfire Santa Rosa Press Democrat
- Hammer spark caused largest wildland fire in California history, investigators say NBC News
- Attempt to plug a wasp nest sparked the biggest wildfire in California history Los Angeles Times
- Cal Fire: The largest wildfire in California history caused by sparks from a hammer SF Gate
- UPDATE: Fire near Templeton nears full containment KSBY San Luis Obispo News
- View full coverage on Google News