MONOGRAPH XXIII PL XX. 



LONG 7310 CENTRAL CREST E 



f'E so'e. 



RAGGED Nl r (RAVEN'S CRAG / 



' LOW 40--4S'm 30' 10' W 4S°W. W. SO' SO' 60"W 15 "IV 30"l 



60 E W Si'-VO' W W W W 90" '' 

 'BELLOWS ; H 



SO-SS'W. 90" HOOSIC R 



46'E RENFREW MILLS 



Sy 



Section (i 



Section II 



PECKS BROOK 



HOOSIC RIVER 



( V 



Section I. 



