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Kansas Academy of Science. 



either wanting or very thin in Washington and Marshall counties, 

 in northern Kansas. It seems that it is thickest at Marion, thin- 

 ning to the north and south. Nevertheless, it is present over a very 

 considerable part of central Kansas region. It is so soft that it is 

 of little value except for ballast. Its name is derived from Luta 

 brook, which enters into Antelope creek just north of the city limits 

 of Marion. 



1. Full line— Herington limestone. 



2. Broken line— Abilene cong-lomerate. 



3. Broken, long- and short segments— 

 Winfield limestone. 



The following is the section at the crusher quarry, five miles 

 northeast of Marion: 



Peet. Inches. 



7. Basal part of the Herington limestone + 



6. Yellow shales 15 



5. Soft limestone, persistent 8 



4. Green and yellowish shales 7 



