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

Ficheiro:Madison Civil Defense Siren - panoramio (2).jpg

archive.org/web/20161029060118/http://www.panoramio.com/user/2184098?with_photo_id=96583859 operator: Panoramio described at URL: https://web.archive...

Ficheiro:Madison Civil Defense Siren - panoramio (3).jpg

archive.org/web/20161027235014/http://www.panoramio.com/user/2184098?with_photo_id=102649037 operator: Panoramio described at URL: https://web.archive...

Ficheiro:Southeast Madison Civil Defense Siren - panoramio.jpg

archive.org/web/20161028160432/http://www.panoramio.com/user/2184098?with_photo_id=95658569 operator: Panoramio described at URL: https://web.archive...

Ficheiro:Civil Defense Siren - panoramio.jpg

English operator: Panoramio described at URL: https://web.archive.org/web/20161028202240/http://www.panoramio.com/photo/106170996 determination method...

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