GLACIAL AND POST-GLACIAL HISTORY OF THE 

 HUDSON AND CHAMPLAIN VALLEYS. 



OUTLINE. 



Introductory Statement. 



Topography of Eastern New York and Southern New England. 



SUBLACUSTMNE OR SUBMARINE GlACIAL DEPOSITS IN THE HUDSON AND ChAM- 



PLAiN Valleys. 

 Hudson Valley South of Highlands and Lowland West of Palisade 

 Ridge. 



Brooklyn-Perth Amboy Moraine. 



Drift of Long Island and Staten Island inside above moraine. 

 Drift of lowland west of Palisade Ridge and inside above moraine. 

 Drift in the Hudson Valley south of Highlands and north of Long and Staten 

 Islands. 



Haverstraw. 



North Haverstraw. 



Croton. 



Oscawanna-Crugers-Peekskill. 



Jones Point and State Camp. 



Roye Hook. 

 Highlands of the Hudson. 



Drift of the Highlands. 

 Hudson Valley North of the Highlands. 



Drift at Newburg — New Windsor and Fishkill — Dutchess Junction. 



High-level terrace north of Fishkill. 



Drift at Carthage Landing, Low Point, and Roseton. 



New Hamburg gravel plateau and Wappinger Creek stratified drift. 



Camelot kames. 



Drift north of Camelot to north of Catskill. 



Drift north of Catskill to north of Glens Falls. 



Old lake-floor or old sea-floor. 



Gravel plateaus and deltas. 



Elevations above old lake-floor or old sea-floor. 



Depressions below old lake-floor or old sea-floor. 

 Lake basins. 

 Valleys. 

 Submerged channel of the Hudson. 



Extra-morainic channel. 



Channel inside the moraine. 



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