Began working in Cumberland Coal storage area (CCSA) Tue Apr 2. Smell indicated something going on but no fire determined. Previous week smoldering coal removed from ARJ storage side. Smoldering & red coals found in CCSA after access was made Apr 5. Crane used to move coal to center to use with kiln start Apr 6. Kiln didn't start. Open flame detected Apr 8 w/MSHA Inspector.