[Annals N. Y. Acad. Sci., Vol. XXVIII, pp. 1-50. June 29, 1918$**"' !/N 



\ 



MAR I 



THE SUPERB POSITION OF NEW YORK CITY AS A 

 CENTER FOR PHYSIOGRAPHIC STUDY X^ 



By A. K. Lobeck 



CONTENTS 



l'age 



INTRODUCTION 2 



WORK OF DESTRUCTIONAL FORCES 6 



Streams 6 



Glaciers 12 



Waves 14 



Wind 15 



CONSTRUCTIONAL FORMS 16 



Plains and Plateaus 16 



Block Mountains 17 



Folded Mountains 18 



Complex Mountains 19 



Volcanic Mountains 20 



FIELD TRIPS 21 



Half-Day Trips 23 



Staten Island 23 



Palisades 23 



Inwood and Bronx Park 24 



One-Day Trips 24 



Watchung Ridges 24 



Hackettstown 25 



Long Island 25 



Long Branch 26 



Delaware Water Gap 26 



One-Day and One-Night Trips 26 



Shawangunk Mountains 26 



Catskill 27 



Meriden 27 



Two-Days and One-Night Trips 28 



Hackettstown and Delaware Water Gap 28 



Beacon Mountain and Shawangunk Mountain 28 



Two-Days and Two-Nights Trips 2s 



Catskill Mountains 28 



Harrisburg and Altoona 29 



Three-Days and Two-Nights Trips 29 



Lake George 29 



Boston Bay 30 



One to Two Weeks Trip 31 



New England 31 



One-Month Trip 32 



Entire Area 32 



