CONTENTS 



Page 



Introduction 1 



Study area 2 



Equipment and methods 2 



Characteristics of Indian Creek ground water 2 



Dissolved oxygen content 2 



Variation of dissolved oxygen with depth in the streambed 4 



Ground-water temperatures 7 



Tracing ground-water seepage 11 



Interchange of flowing stream water with water in the gravel of the 



streambed 15 



Water in gravel of streambanks and gravel bar 15 



Discussion 17 



Summary 18 



Acknowledgments 19 



Literature cited 19 



iii 



