Marin County supervisors on Tuesday blasted the Salmon Protection and Watershed Network for its attempts to block a proposed 1,400-square-foot home in the Lagunitas Creek watershed on the basis that it would contribute to cumulative impacts to the region. 

The appeal hearing, which began as a disagreement over county development policy, concluded with harsh reproaches unleashed by supervisors, none of whom were more critical than West Marin’s representative to the board, Steve Kinsey. 

“SPAWN can…