VOLUME IX. Puatn XVIII. 
RX 
LEGEND 
Carboniferous 
Willard Shales. 
Cbu Burlingame Limestone. 
Csc Scranton Shales. 
Cho Howard Limestone. 
Cse Severy Shales. 
Cto Topeka Limestone. 
Cdc Deer Creek Limestone. 
Cte | Tecumseh Shales. 
Cle Lecompton Limestone. 
Kanwaka Shales. 
Kean Oread Limestone. 
el Lawrence Shales. 
Cki Kickapoo Limestone. 
Cle Le Roy Shales. 
Oil Wells. 
Dry Wells. 
Gas Wells. 
