There Before We Arrived

Natives, Aboriginals.  Indigenous people are the first migration.  Genetically, secondary migrations usually do make contributions.

The land bridge theory only validates that migratins may have occurred.  The idea that indigenous people survived recent 'ice ages' is common and scientists look for validation.  Ths theory tries to excuse the dificulty of genetic and other artifacts around 10,000 years.  It does not explain indigenous genetic artifacts on the Calfornia coast at 15,000 years plus.  Rather than focusing on validating migrations other than indigenous and 'ice age' survival, although very interesting, the research should focus on actual indigenous people.  The great lakes always were home to indigenous people long before secondary migrations, 'ice ages, and 'land bridges.'  More interesting might be the 'ice age oasis' where indigenous people survived siberian and polar vortices cold - the current expressions of the 'ice ages.'  The 'land bridge oasis' could be further investigated as the meeting of indigenous people and migrations meeting, probably more popular from cultural perspectives than boring genetics.  Maybe a movie.....

Secondary migrations are recent and not indigenous and the 'land bridge' theory needs to be expressed from an indigenous perspective rather than post indigenous migrations.

http://www.dailymail.co.uk/sciencetech/article-2569469/Mystery-Native-Americans-missing-10-000-years-solved.html

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