CONTENTS. 
Page. 
Introduction 5 
Topography = 7 
Relief and drainage : 8 
Lowland at base of Book Cliffs 9 
Book Cliffs 10 
Book or Tavaputs Plateau 10 
Climate and culture 11 
Descriptive geology 11 
Stratigraphy 11 
Cretaceous system 12 
Dakota sandstone 12 
Mancos shale 14 
Mesaverde formation 16 
Tertiary system — Eocene series 19 
Structure 21 
Coal 23 
General statement 23 
Occurrence and thickness 24 
Amount of available coal 42 
Character and use of Book Cliffs coal 42 
Physical properties 42 
Chemical composition 43 
Market and use 47 
Development 48 
Index : 53 
3 
