fix Lake Ontario; remove natural=coastline from historic shoreline

fix Lake Ontario roles

validation fixes

fix Toronto coastlines

fixes for Toronto railway lines

some additions for 1860 Toronto railways

some additions for 1860 Toronto railways

some additions for 1842 Toronto

fix 1923 start date (use as_of tag instead)

fix 1923 start date (use as_of tag instead)

fix Toronto waterways / lake Ontario shoreline

fix 1923 start date (use as_of tag instead)

several fixes for Toronto; make sure there are start dates for roads, etc

Romanshorn 2020

Rhine before 1900 based on St. Gall Siegfried map

Rhine before 1900 based on St. Gall Siegfried map

Rhine before 1900 based on St. Gall Siegfried map

fixes roads based on St. Gall Siegfried map

Bodensee modern

Romanshorn map 1900