44 



NEW YORK STATE MUSEUM 



PMSML EmwMfifm cm 



A PAF^T OF 



HOWE'S CAVL 



SCALE 



/OO' 



Catcite 

 ia.sca.de 



1(111 'Barrier oj Clay. 



^ " of ^och fra^menti. 



Water in block. 



Mam caue In broken lines. 



Cross sections marked x 



jech'on: A f-oB 



