First Americans Migration Routes
Source: U.S. National Park Service

North America Political Map 1997
Source: CIA - Central Intelligence Agency

North America Political Map 1995
Source: CIA - Central Intelligence Agency

North America Political Map 1992
Source: CIA - Central Intelligence Agency

See JPG Format
Source: CIA - Central Intelligence Agency

Source: U.S. Department of Transportation

North America physical map 2007
Source: CIA - Central Intelligence Agency

North America Shaded Relief Map 2002
Source: CIA - Central Intelligence Agency

See JPG Format
Source: CIA - Central Intelligence Agency

North America physical map 2001
Source: CIA - Central Intelligence Agency