West Marin’s multi-generational farmers who established the county as a flagship for sustainable, organic farming face plenty of challenges. But small-scale farmers who lease their land face unique obstacles and rely on both crops and other income streams to survive drought, labor shortages, and a food industry still reeling from the pandemic. 

“It’s about not putting all my eggs in one basket,” said Mickey Murch, a second-generation farmer in Bolinas who owns 40 percent…