CONTENTS 



List of Figures vii 



List of Tables x 



List of Acronyms xv 



INTRODUCTION I-l 



PROJECT ORGANIZATION AND GOALS 1-2 



REPORT CONTENT AND ORGANIZATION 1-3 



CHAPTER 1 HISTORY AND DESCRIPTION OF 



THE CLARK FORK BASIN 1-1 



INTRODUCTION 1-1 



SURFACE WATER 1-1 



GROUND WATER 1-3 



MINING 1-4 



FORESTRY 1-6 



AGRICULTURE AND RANCHING 1-7 



HYDROPOWER 1-9 



WATER RIGHTS 1-10 



RECREATION AND TOURISM 1-11 



FISH AND WILDLIFE RESOURCES 1-13 



IMPORTANT TRIBUTARIES 1-14 



CHAPTER 2 CURRENT WATER USES, ACTIVITIES, 



AND AQUATIC RESOURCES 2-1 



MINING 2-1 



Montana Resources, Inc 2-1 



Montana Mining Properties, Inc. and 



New Butte Mining, Inc 2-2 



Other Mining Operations 2-3 



FOREST PRODUCTS 2-4 



OTHER INDUSTRIES 2-6 



Stauffer Chemical Company 2-6 



IRRIGATED AGRICULTURE 2-7 



Introduction 2-7 



Federal Water Projects 2-8 



State-Owned Irrigation Projects 2-9 



Benefits and Costs of Irrigation to 



Western Montana's Economy 2-9 



