Spontaneous combustion concerns lead to warnings over height of chicken manure piles
In this Jan. 11, 2017, photo provided by Sherman Hiatt, people work to put out a wildfire triggered when a pile of chicken manure caught fire in a barn near Charleston, Ark. In this Jan. 11, 2017, photo provided by Sherman Hiatt, people work to put out a wildfire triggered when a pile of chicken manure caught fire in a barn near Charleston, Ark.