By Scott Wilson @ WashingtonPost.com, March 17

ARCATA, Calif. [.....] The shops trade largely in cash with customers who are paid in cash — the marijuana growers, distributors and “trimmigrants,” seasonal workers who cut back the flowering plants for market each autumn. But business is stalling as marijuana’s dark cash economy comes into the light, pushed by the state’s legalization of the drug earlier this year.

Humboldt County, traditionally shorthand for outlaw culture and the great dope it produces, is facing a harsh reckoning. Every trait that made this strip along California’s wild northwest coast the best place in the world to grow pot is now working against its future as a producer in the state’s $7 billion-a-year marijuana market.

A massive industry never before regulated is being tamed by laws and taxation, characteristically extensive in this state Nowhere is this process upending a culture and economy more than here in Humboldt, where tens of thousands of people who have been breaking the law for years are being asked to hire accountants, tax lawyers and declare themselves to a government they have famously distrusted. [....]