CONTENTS 



Page 



INTRODUCTION 1 



METHODS 4 



RESULTS 6 



Age of Overstory Trees 6 



Mortality of Overstory Trees 6 



Aspen Sprouts 8 



Miscellaneous Information on Injury, 



Pathogens, and Insects. 8 



Associated Understory Vegetation 10 



DISCUSSION AND CONCLUSION 12 



LITERATURE CITED 16 



