2 "Ficheiro:Madison_Civil_Defense_Siren_-_panoramio_(4).jpg".

Ficheiro:Madison Civil Defense Siren - panoramio (4).jpg

English operator: Panoramio described at URL: https://web.archive.org/web/20161029073400/http://www.panoramio.com/photo/106224801...

Ficheiro:Northside Civil Defense Siren - panoramio.jpg

archive.org/web/20161031065520/http://www.panoramio.com/user/2184098?with_photo_id=109488474 operator: Panoramio described at URL: https://web.archive...

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