BULL. GEOL. SOC. AM. 



VOL. 5, 1893, PL. 17. 



LEGEND 



SKUNAIEMUNK CONQL 

 HAMLTON JUCihSmi 

 ORISKAWV CONGL 



HELDERBERG LmsM 

 GRmmD CONGL 

 HUDSON SHALE 

 CAMBRIM UMESTONE 



CONQL: 

 hRCHEAN 



SCALE OF THE MAP; 

 [The Sections a^re on e^ 



GEOLOGIC MAP AND SECTIONS FROM GREEN POND, NEW JERSEY, TO 

 SKUNNEMUNK MOUNTAIN, NEW YORK. 



