Lehnherr N and S America Phys

GULF OF MEXICO
 CARIBBEAN SEA
 BERING SEA
 LABRADOR SEA
 HUDSON BAY
 LAKE MICHIGAN
 LAKE SUPERIOR
 APPALACHIAN
MOUNTAINS
 ROCKY MOUNTAINS
 SIERRA NEVADA
 SIERRA MADRE
ORIENTAL &
OCCIDENTAL
 MISSISSIPPI RIVER
 MISSOURI RIVER
 OHIO RIVER
 RIO GRANDE
 ST. LAWRENCE RIVER
 AMAZON RIVER BASIN
 ANDES MOUNTAINS
 STRAITS OF
MAGELLAN