205 
PALEOGEOGRAPHIC MAPS OF NORTH AMERICA 
xs OOS 
110° 
Ur; 
Z 
% 
7 
Wl7 
NORTH AMERICA 
EQUATORIAL) —— 
POLAR 
WRN 
\ 
MORE LIKELY SEA 
MORE LIKELY LAND 
LEGEND 
OCEANIC BASINS 
o 
’ 
LOWER CAMBRIAN 
en 
MARINE WATERS (EPICONTINENTAL) 
INDETERMINATE AREAS 
MARINE CURRENTS 
SEA OR LAND 
LAND OR SEA 
