Other
Phmc: Paleoindian Period: 16,000 to 10,000 Years Ago
A good description of the theories behind the various migration routes into the Americas, the evidence for pre-Clovis culture in the eastern part of America, and a discussion of the paleoindian sites particularly in Pennsylviania.
Other
Encyclopedia Virginia: Clovis and Pre Clovis Culture
The evidence found at excavations at Cactus Hill in Virginia are pushing back the dates of the appearance of humans in the Western Hemisphere. Read about what has been found and the theories of how man reached the east coast of America...
Texas A&M University
Center for the Study of the First Americans: Cactus Hill Site, Virginia
Pictures of the Cactus Hill paleo-Indian site in Virginia show the site itself and artifacts from the pre-Clovis and Clovis periods of time. There is no commentary about the pictures other than a caption.