This could be the most detailed open-data map of urban gerontology in existence; the Portland project used about half of the number of property records. It’s not a flawless diamond, though. Some of the dates are approximate or inaccurate.
This could be the most detailed open-data map of urban gerontology in existence; the Portland project used about half of the number of property records. It’s not a flawless diamond, though. Some of the dates are approximate or inaccurate.