improve tagging for Hudson River
cleanup around Federal Dam in Troy NY
convert Hudson River master mulipolygon to proposed group type
fixes to Hudson River Relation
Erie Canal details near Fort Hunter
start dates for certain roads that overlap part of Albany Basin
start dates for certain roads that overlap part of Albany Basin
correct start date for Lumberyard slipway
Weigh Lock, Private Basin for original Erie Canal
improve Albany terminus of Erie canal
improved end date estimate for upper Albany Basin
merge Enlarged Erie Canal multipolygon relations
model Erie Canal, Enlarged Erie Canal Locks
Enlarged Erie Canal Banks, Crescent South to the power canal
improve Lock 4, Enlarged Erie Canal
improve enlarged erie canal, erie canal, Cohoes NY
improve enlarged erie canal, erie canal, Cohoes NY