Indicates outlets of sewers, mud-sewage flats, places of offensive trades, and districts affected by wind direction.
Oriented with north to the upper right.
Detached from Boston City documents, volume 3, number 68.
Notes (date):
This date is inferred.
Notes (exhibitions):
Exhibited: "More or less in common: environment and justice in the human landscape," organized by Leventhal Map & Education Center at the Boston Public Library, 2022.