GLACIATION OF THE ALASKA RANGE? 
SLTEPHEN R. CAPPS 
U.S. Geological Survey, Washington, D.C. 
CONTENTS 
GENERAL DESCRIPTION 
HIsTORY OF EXPLORATION 
DISTRIBUTION OF EXISTING GLACIERS 
INFLUENCE OF GLACIERS ON THEIR VALLEYS 
EVIDENCE OF EARLIER AND MorE EXTENSIVE GLACIERS 
EXISTING GLACIERS 
Susitna Basin 
Skwentna Drainage 
Yentna Drainage 
Glacio-fluvial Deposits and Moraines 
Kahiltna Valley 
Glacio-fluvial Deposits and Moraines 
Chulitna River Drainage 
Tokichitna Valley 
Glacio-fluvial Deposits 
Main Chulitna Valley 
Head of Susitna River 
Copper River Basin 
Glacio-fluvial Deposits and Moraines 
Tanana and Kuskokwim Basins 
Delta River Drainage | 
Delta Creek Drainage 
Little Delta River Drainage 
Other Glaciers in Unsurveyed Areas 
Kantishna and Kuskokwim Drainage 
Quaternary Deposits in the Tanana and Kuskokwim Basins 
SUMMARY 
GENERAL DESCRIPTION 
The Alaska Range is the great crescentic belt of mountains in 
south-central Alaska that in general forms the divide between the 
streams which drain southward to the Pacific Ocean and those 
* Published by permission of the Director of the U.S. Geological Survey. _ 
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