14th and castro streets cistern
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14th and castro streets cistern |
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| navigate by keyword : water versions used underground undefined tanks systems system supply streets scattered red random properly patterns one nother nknown major locations innercity hold gallons franciscos fire fact exact crop citywide city cisterns cistern circles castro case brick awss auxiliary 175 172 14th 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 cn 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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