CONTENTS. 
Conditions at beginning of Tertiary Time. 
Character of the Tertiary Material in Kansas. 
The Gravel. 
The Sand. 
Black Sand. 
Clay and Silt. 
Voleanic Ash. 
Struciturai Relations of Tertiary Materials. 
Evidence from Surface Conditions. 
Evidence from Deep Wells. 
The Cement. 
Origin of the Cement. 
The Clay Beds. 
Plains Marl. 
The Sand Dunes. 
Origin of Sand Dunes. 
Surface Gravels. 
Summary of Conclusions on Stratigraphy. 
Origin and Mode of Formation of the Tertiary. 
