stockton and vallejo cistern
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stockton and vallejo cistern |
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| navigate by keyword : underground franciscos innercity locations auxiliary scattered stockton patterns versions cisterns properly citywide vallejo cistern circles systems gallons random supply system nother brick exact water major tanks crop fact awss city used case fire hold red 175 one 172 000 |
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| Not just random patterns, or inner-city versions of crop circles, these red brick circles are in fact the exact locations of San Francisco`s underground cisterns. Known properly as Auxiliary Water Supply System, there are about 175 of these AWSS scattered around the city, to be used in case of another, major, city-wide fire and all the water systems are down, each one of these tanks can hold about 172,000 gallons of water. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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