Like fingerprints, the little headlands are, or so it would for now only seem readily findable.  I have piloted Google Earth ‘Copter north from the California Line along the coast and not found anything that resembles this landscape.  Because it is the Oregonian Sykes I assumed – and still do  – that this is most likely along that coast.   The Washington coast has fewer places where a road follows the shore so closely and also wetter, or seems so, and so I think it most likely Oregon or possibly California, and surely not Utah.