An explosion of fire damp took place last week in Mr. P. Fogarty's colliery, at West Wood, Pa., burning eigbtietsons, several only slightly but three badly, one of them has since died. The explosion, according to the " Potts-ville Miners' Journal," was caused by sheer carlessnessthe colliery had not been worked for several days, and while in the act of cleansing the breast of the foul air that had been collected, a common lamp was taken directly into the current of foul air which caused the explosion.