Crossword clues for Layers of coal:SEAMSCoal layersSTRATACoal layersSEAMSThin coal layersSEAMCoal layerVEINCoal layerCLARAINBright layer of coalSEAMLayer of coalSEAMSLayers of coalSEAMThin layer of coalSEAMGeological layer, as of coalSEAMSThin layers, as of coal
