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Preview: Season 16 Episode 27 | 30s
Take a look at what's happened to some Pittsburgh ROADSHOW finds since 1997. 7/23/2012
Aired: 07/22/12
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Article
An expert explains the evolution of Navajo weaving from the 17th to the 19th century and uncovers the distinctive characteristics of the three phases of Navajo Chief's Blankets.
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