reliance has, of necessity, been placed on a relatively small number of examinations of samples 

 made by geologists who have had an opportunity to follow^ the drilling of wells in the field, or 

 have examined samples collected through the cooperation of local well drillers. 



TABLE I. STRATIGRAPHIC SEQUENCE AND CORRELATIONS OF MESO- 

 ZOIC AND CENOZOIC FORMATIONS ON LONG ISLAND 



*May include beds younger than Magothy in age which have not yet been differentiated. 



Legend: Comformable contact 



Unconformity 



Transition 



9 



