BULL. GEOL. SOC. AM- 



VOL. 13, 1901, PL. 39 



57 

 56 



61 



60 



59 



58 



60 



58 



57 



56 



Dunkard formation 



61 Jollytown limestone 

 60 Jollytown coal 



39 Upper Washington lime- 

 stone 



58 



58 Washington coal 



57 Waynesburg "A" coal 

 56 Waynesburg sandstone 



Monongahela formation (45-55 



Near Near Taylorstown, Washington, 



Lonaconing Pumping Shaft Washington Pa. (After 



(After Tyson) Co., Pa. (After I.C.White) 



I. C. White] 



Scale: 1 inch = 100 feet 



COLUMNAR SECTIONS OF THE DUNKARD FORMATION 



