As a new decision approaches for a much-criticized plan to drop rodent poison on the South Farallon Islands, a group of activists have coalesced around an unlikely flash point: an enigmatic array of stones in the Point Reyes National Seashore.
About a mile and a half past Pierce Point Ranch, two straight lines of overgrown granite boulders go unnoticed by many hikers on the Tomales Point Trail. The lines, each of which consists of…