City studies...

“'San Francisco was built on the backs of people who didn’t have much,' Ball said."

~ L. Casimir
  https://www.theguardian.com/world/2018/jun/26/black-maternal-mortality-babies-san-francisco-crisis

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WHY
https://sf.curbed.com/2018/12/21/18151573/least-favorite-problematic-neighborhoods-2018-worst-troubled-tired