One of the great unknowns following the collapse of Northwest timber cutting through the 1990s was what happened to thousands of loggers, sawmill workers and others who lost their jobs. Researchers mining a decade's worth of obscure state employment records have unearthed an answer, and it's not pretty: From Our Advertiser More than half the 60,000 workers who held jobs in the wood products industry at the start of the 1990s had left it by 1998. And almost half of those who left disappeared from work rolls altogether -- probably moving to another state, retiring or going unemployed. Roughly 18,000...