change ephem to event per revisions to proposal
use chronology relation for units
correct spelling error Tempoary->temporary
correct spelling error Tempoary->temporary
correct spelling error Tempoary->temporary
update tagging for rest of Antietam battlefield
update tagging for rest of Antietam battlefield
begin introducing ephem:mil tagging variant
add Schuyler Mansion to Albany
add Schuyler Mansion to Albany
richmond tile from oldinsurancemaps
add first stockade on south side of Albany
small tweaks of street locations
adjust end date for Disneyland Monorail segment
add space mountain, Disneyland
provisional Jungle River Cruise, Disneyland ca 1960
first cut at Jungle River Cruise, Disneyland
first cut at Jungle River Cruise, Disneyland