U. S. GEOLOGICAL SURVEY 



. MONOGRAPH XXIX. PL. XXXI 



XXXIII 



SPRINGFIELD. 



XXXIV. 



WILBRAHAM. 



Sea Level;- .-■-:>-'.---,-:::■ 



SUQARLOAF ARKOSE. 



te77y//Miin\i\» mwii r 



CONWAY SAVOY S|CHI$T. BECKET 

 SCHIST. 1 ; QNEISS. 



CHESTER AMPHiSOLITE. 

 ROWE 'schist. 



BECKET 



amphibolite; qneiss. 



COnWaY gCHIST. 

 CHESTER' AMPHIBOLITE 



SAVOY SCHlW. 



BRIMFIELD SCHIST. 



HARDWICK GNEISS. 



PALMER. 



XXXIV. 



MT. TOBY CONGLOMERATE. 



CONWAY CK*STER AMPHIBOLITE. 

 SCHIST. J 



SAVOY SC 



SPRINGFIELD. 

 _ XXXV. 



WILBRAHAM. 



CHESTER Am'pHIBoIlIt'e. 



SiivVOY SCHIst. R'OWE SCHIST. 

 CONWAY SCHIST. 



CHESTER AMPHIBOLITE. 

 CONWAY SCHIST. BRIMFIELD SCHIST. 



MONSON. 



BRIMFIELD. 



Sea Levi^-V'^v^#^^{:f^:::^-r-;^:t;!:?:!:^:'^^ 



LONQMEADOW 

 SANDSTONE. 



MT. TOBY CONGLOMERATE. CONWAY SAVdv SCHIST. 

 SCHIST. j 



CHESTER AMPHIBOLITE- 



LONGMEADOW. 

 XXXVI. 



HAMPDEN. 



; CONWAY 

 ; SCHIST, 

 CHESTJER AMPHIBOLITE'. 

 SAVOY SCHIST. ROwd SCHIST. 



1 BRIMFIELD SCHIST. HARDWICK 

 CHESTER QNEISS. 



AMPHIBOLITE. 



MONSON. 



WALES. 



LONQMEADOW 

 SANDSTONE. 



iSBSi^^M 



MT. TOBY 

 CONGLOMERATE. 



WMMMMM£i::i. 



SECTIONS ALONG LlN^S 



"^°Y SCHIST. SAVOV 



<:0NWAY 'schist. 



CHESTER AMFIHIBOLITE. BECKET QNEISS. 

 SCHIST. 



ROWE SCHIST. 



BRIMFIELD 

 SCHIST 



BRIMFIELD SCHIST. 



\^\ 



ON GEOLOGICAL MAP. 



