The Geologic History of the Diamond Lake Area

Cover

Foreword - Umpqua National Forest

Foreword - Douglas County Park Department

Introduction

Acknowledgments

Principles of Volcanic Activity

General Geologic Setting of the Cascade Region

Geologic History of the Diamond Lake Area

General Development of the High Cascades
Growth of Mt. Thielsen and Mt. Bailey
Glaciation of the Ice Age
The Intracanyon Basalts
The Eruption of Mt. Mazama

Bibliography