indice ultravioletti a Mad River Slough (Arcata Bay) (1.9 mi.) | indice ultravioletti a Samoa (3 mi.) | indice ultravioletti a Eureka Slough Bridge (3 mi.) | indice ultravioletti a Eureka (4 mi.) | indice ultravioletti a Bucksport (6 mi.) | indice ultravioletti a Elk River Railroad Bridge (8 mi.) | indice ultravioletti a North Spit (Humboldt Bay) (8 mi.) | indice ultravioletti a Fields Landing (10 mi.) | indice ultravioletti a Hookton Slough (13 mi.) | indice ultravioletti a Trinidad Harbor (14 mi.) | indice ultravioletti a Shelter Cove (57 mi.)