Drainage Modifications and Glaciation in the Danbury Region Connecticut State of Connecticut State Geological and Natural History Survey Bulletin No. 30
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State of Connecticut State Geological and Natural History Survey Bulletin No. 30
Drainage Modifications and Glaciation in the Danbury Region Connecticut
By
By
RUTH SAWYER HARVEY, Ph. D.
HARTFORD
Published by the State
1920
BULLETINS
OF THE
State Geological and Natural History Survey of Connecticut.
CATALOGUE SLIPS.
PUBLIC DOCUMENT No. 47
HARTFORD
Published by the State
1920
BULLETINS
OF THE
State Geological and Natural History Survey of Connecticut.
CATALOGUE SLIPS.
PUBLIC DOCUMENT No. 47
State Geological and Natural History Survey
HERBERT E. GREGORY, SUPERINTENDENT
BULLETIN No. 30
Printed by the State Geological and Natural History Survey
1920
State Geological and Natural History Survey
COMMISSIONERS
SUPERINTENDENT
BULLETIN No. 30
Printed by the State Geological and Natural History Survey
1920
State Geological and Natural History Survey
COMMISSIONERS
SUPERINTENDENT
Drainage Modifications and Glaciation in the Danbury Region Connecticut
Printed by the State Geological and Natural History Survey
1920
CONTENTS.
ILLUSTRATIONS.
Printed by the State Geological and Natural History Survey
1920
CONTENTS.
ILLUSTRATIONS.
INTRODUCTION
DRAINAGE MODIFICATIONS AND GLACIATION IN THE DANBURY REGION, CONNECTICUT
REGIONAL RELATIONS
ROCKY RIVER
DESCRIPTION OF THE RIVER AND ITS VALLEY
RELATIONS OF THE VALLEY TO GEOLOGIC STRUCTURE
JUNCTION OF ROCKY AND HOUSATONIC RIVERS
ABNORMAL PROFILE
PREGLACIAL COURSE
THE BURIED CHANNEL
EFFECT OF GLACIATION
THE NEVERSINK-DANBURY VALLEY.
DESCRIPTION OF THE RIVER AND ITS VALLEY
RELATIONS OF THE VALLEY TO GEOLOGIC STRUCTURE
JUNCTION OF ROCKY AND HOUSATONIC RIVERS
ABNORMAL PROFILE
PREGLACIAL COURSE
THE BURIED CHANNEL
EFFECT OF GLACIATION
THE NEVERSINK-DANBURY VALLEY.
STILL RIVER
STATEMENT OF THE PROBLEM
EVIDENCE TO BE EXPECTED IF STILL RIVER HAS BEEN REVERSED
1. A VALLEY WIDE THROUGHOUT OR BROADENING TOWARD THE SOUTH
2. TRIBUTARY VALLEYS POINTING UPSTREAM
3. REGIONAL SLOPE NOT IN ACCORD WITH COURSE OF THE STILL
4. EVIDENCE OF GLACIAL FILLING AND DEGRADING OF THE RIVER BED
5. GLACIAL SCOURING
STATEMENT OF THE PROBLEM
EVIDENCE TO BE EXPECTED IF STILL RIVER HAS BEEN REVERSED
1. A VALLEY WIDE THROUGHOUT OR BROADENING TOWARD THE SOUTH
2. TRIBUTARY VALLEYS POINTING UPSTREAM
3. REGIONAL SLOPE NOT IN ACCORD WITH COURSE OF THE STILL
4. EVIDENCE OF GLACIAL FILLING AND DEGRADING OF THE RIVER BED
5. GLACIAL SCOURING
THE STILL-SAUGATUCK DIVIDE
FEATURES OF THE UMPOG VALLEY
THE PREGLACIAL DIVIDE
FEATURES OF THE UMPOG VALLEY
THE PREGLACIAL DIVIDE
THE STILL-CROTON DIVIDE
INTRODUCTION
FEATURES OF STILL RIVER VALLEY WEST OF DANBURY
THE STILL-CROTON VALLEY
GLACIAL LAKE KANOSHA
DIVIDES IN THE HIGHLANDS SOUTH OF DANBURY
THE ANCIENT STILL RIVER
DEPARTURES OF STILL RIVER FROM ITS PREGLACIAL CHANNEL
SUGGESTED COURSES OF HOUSATONIC RIVER
INTRODUCTION
FEATURES OF STILL RIVER VALLEY WEST OF DANBURY
THE STILL-CROTON VALLEY
GLACIAL LAKE KANOSHA
DIVIDES IN THE HIGHLANDS SOUTH OF DANBURY
THE ANCIENT STILL RIVER
DEPARTURES OF STILL RIVER FROM ITS PREGLACIAL CHANNEL
SUGGESTED COURSES OF HOUSATONIC RIVER
GLACIAL DEPOSITS
BEAVER BROOK SWAMP
DEPOSITS NORTHEAST OF DANBURY
DEPOSITS BETWEEN BEAVER BROOK MOUNTAIN AND MOUTH OF STILL RIVER
LAKES
HISTORY OF THE GLACIAL DEPOSITS
BEAVER BROOK SWAMP
DEPOSITS NORTHEAST OF DANBURY
DEPOSITS BETWEEN BEAVER BROOK MOUNTAIN AND MOUTH OF STILL RIVER
LAKES
HISTORY OF THE GLACIAL DEPOSITS
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