CONTENTS

 Page
A abstract ............................................... vi
Acknowledgements ........................................ vi
Introduction ............................................ 1
 Location and Characteristics of Trail Ridge .................. 2
 Nature and Origin of the Trail Ridge Peat Deposit .............. 4
 Sample Preparation and Analysis ................... ......... 4
Palynological Composition of the Samples ........................ 5
Paleoecological Interpretations................................. 8
Age of the Trail Ridge Lignite Peat............................. 10
Sum m ary ............................................. 11
References ............................................. 14

 ILLUSTRATIONS


Figure Page
1 Location map of Trail Ridge ............................ 2
2 Location map of core holes.............................. 3
3 Palynological composition of lignitic peat from core TR 1. ......... 6
4 Palynological composition of lignitic peat from core TR 2. ......... 7

Plate
1 Pollen of trees and shrubs identified in Trail Ridge core samples. ... 13