n valley, and 



alence in age only. 



he Mississippian 

 Atlantic waters 



ZED TIME SCALE FOR 

 * NORTH AMERICA 



ille and Esopus 

 )riskany 



riskany 



land 



8 



'erry 

 t 



id 



r en ton 



hill 



renton 



rer • 



ver and Cliazy 



NTOWN 



[ 



a Croix 



