removing some building footprints in prep for a different import

experimenting with sub-chronologies like subareas

adding some placeholder chronology relations and some new labels

Minor relation QA and tidying; sequencing of ways, etc.

Creating some first versions of Polish chronology relations

Boston tuneups

Adding some wharfs & other tuneups

Boston area tuneups

Boston area tuneups

Boston area tune-ups

changing some tag conventions

changing some tag conventions

adding some buildings from MassGIS & wharfs from 1867 Sanborn to Boston

deleting some Newberry coastal ways

deleting some Newberry coastal ways

adding some tiles for contined mapping

tuning up part of Massachusetts Colony post Suffolk County changes

tuning up part of Plymouth County and Massachusetts Colony post Suffolk County changes

tuning up Norfolk County post Suffolk County changes

tuning up Middlesex County post Suffolk County changes