SOIME GLACIAL WASH-PLAINS OF SOUTHERN 

 NEW ENGLAND.' 



BY J. B. WOODWORTH. 



CONTENTS. 



Introduction ..... 



Bibliography 



The wash-plains of existing glaciers 

 Heard Island wash-plain 

 Alaskan wash-plains 



General characters of extraglacial wash 



Drainage creases ..... 

 Boulder-paved creases 

 Kettle-holes, ice-block holes 

 Inliers of older drift .... 



Loess-like cover 



Sandblasting and glj^ptoliths 

 Superposition of plains by raised water 

 Boulders and wash-plains 

 leeward margin of wash-plains . 



Geographical distribution of wash-plains in this 

 Plains of the terminal moraine . 

 Nantucket plain .... 

 Martha's Vineyard plain . 

 Plains of the Cape Cod moraine . 

 Plains of Narragansett Bay region 

 The Middleboro morainal line 

 Providence-Bridgewater line 

 Wrentham-Weymouth line of lakes . 

 Woonsocket-Sharon line of plains 

 Newtonville- Woodland wash-plains 

 The Cambridge moraine and plain 

 Sporadic plains 



level 



field 



PAGB 



72 

 73 

 76 

 76 

 78 

 78 

 80 

 81 

 81 

 83 

 84 

 85 

 85 

 85 

 86 

 87 

 89 

 89 

 91 

 92 

 95 

 95 

 96 

 98 

 98 

 100 

 100 

 103 



> rublished by permission of the Director of the U. S. Geological Survey. 



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