LOBECK, NEW YORK CITY, A PHYSIOGRAPHIC CENTER 



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tains and 

 7> a MohawK 





I a. Afe±y gnglaad Unlaid- Dissected 

 and alaciafed peneplane on dis - 



grdered rocArs ; monacJnocxs. 

 k White Mountains . Monad nacK 



>ncu!tnfains of crystalling roc/cs. 



\G.Gre£n Mountains , linear rana65\ 

 of subdued and q/actat&d moUn-\ 

 fains and resi&ual pfat ea ^- s n-, 



id. Ta conic M oun ta m S .'Maturely diS-\ 

 Sected and alaciated mountains 

 and pen en Jane of res/starft conn- 



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alaciated plateau at Moderate tostronq j;ehet ^ ^ 

 <3d. /D/e ahkny P/ateaiA^aa^t 

 mature xrfateau of mob 



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4 6\ . N§ X££ 'Aooal* fhians. rru 

 Cyde mountains of 



cycie mountains 

 ti; even-crested. 





»pe Henry 



sub- 



' era re to sfrona re/Set 



?d<d/e fectiorr 7 . ySecond- 



T7b7ded stronq and weaM sir* 



•/does /orecfonfinatinq orervixh 



)*'~~f%e'/tre~xcea't in J 6rear Valley °" sptdAecur side,. 



4&. SS^hn^&i Glaciated fanepUne on w**M 



fo/de d stra ta 

 S. .TOOJltiSL 

 dined we ax 

 ba.fz 



, plant 



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ystalline roc . . 

 7. Coastal Warn 



riZfaef on l - . . 

 SubnWqfurefy dissected pent 

 'resistant rocrsj moderate relief. 



dJiorderea /fi/siani 

 — >*£. Maturely jdissectfd mountains Of 



crystal e rvcKs; 



accordant altitudes 

 ySubnnaturely dissected, and 



Wain , ^ubnnarure/y cnsseci -~. - 

 ?r7a7Kr submersed, terraced coasf*/_Piain. 



i section k Cr„tr* l Lowland . Maturely 

 d a/aciafed cuestas and lovr/a ndS , 



and lacustrine plains. 



Pig. 2. — Outline map of northeastern United States showing the limits of the main 

 physiographic provinces 



Their subdivisions are briefly characterized above 



