dirty little secretsVania Setti finds a rainbow in soil

By Heidi Hiaasen / The Bulletin
November 26, 2004

Vania Setti is obsessed by dirt. In a quick glance, she can identify which of the five volcanic explosions that shaped the Central Oregon landscape she holds in her hands.

And while many crunch along without thinking about the shades of white, gray, pink, brown and black under their feet, Setti....

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