DENVER A fire raging in an underground Colorado coal field in 1883 sent so much smoke pouring from cracks in the ground that the scene was likened to burn.
The source of Colorado’s Marshall Fire is still being investigated, but history shows at least two blazes in the past 20 years could be blamed on coal mine fires that spread to the surface. Experts say coal mine fires are a growing threat around the globe.
A fire raging in an underground Colorado coal field in 1883 sent so much smoke pouring from cracks in the ground that the scene was likened to burning volcanoes and