INDICE ULTRAVIOLETTI North Spit (Humboldt Bay)

indice ultravioletti a Bucksport (1.2 mi.) | indice ultravioletti a Elk River Railroad Bridge (1.4 mi.) | indice ultravioletti a Fields Landing (3.0 mi.) | indice ultravioletti a Eureka (4 mi.) | indice ultravioletti a Eureka Slough Bridge (5 mi.) | indice ultravioletti a Samoa (5 mi.) | indice ultravioletti a Hookton Slough (6 mi.) | indice ultravioletti a Mad River Slough (Arcata Bay) (8 mi.) | indice ultravioletti a Arcata Wharf (8 mi.) | indice ultravioletti a Trinidad Harbor (20 mi.) | indice ultravioletti a Shelter Cove (52 mi.)