indice ultravioletti a Eureka Slough Bridge (1.3 mi.) | indice ultravioletti a Samoa (1.5 mi.) | indice ultravioletti a Bucksport (2.5 mi.) | indice ultravioletti a North Spit (Humboldt Bay) (4 mi.) | indice ultravioletti a Elk River Railroad Bridge (4 mi.) | indice ultravioletti a Arcata Wharf (4 mi.) | indice ultravioletti a Mad River Slough (Arcata Bay) (4 mi.) | indice ultravioletti a Fields Landing (6 mi.) | indice ultravioletti a Hookton Slough (9 mi.) | indice ultravioletti a Trinidad Harbor (17 mi.) | indice ultravioletti a Shelter Cove (55 mi.)