Marin County historian Richard Torney will bring his popular program about railroad tunnels in Marin to the Tomales History Center this Sunday. Mr. Torney, a longtime railroad and Ross Valley historian, will take the audience up and down the route of the narrow-gauge North Pacific Coast Railroad, with a focus on Tomales-area tunnels. The free program, with limited seating, starts at 2 p.m. on Sunday, July 20. The history center is located in the historic former Tomales High School gym on Highway One.