i— S. E. Limit of Coiil ^Measures. 



— S. E. Outcropping of Wlcr City "Vein. 



• Su'bcar'bonJferoiis readied "by digging. 



• Cotil mined Ijy stri])pinj^. 

 ■ Coal minedl)y tunnc'ling. 



