Added a number of old railroads based on 1932 map

Updated end date

Added roads, built up areas by 1878

Added docks based on 1940 map

Added more historical coastline for 1878

Modified end date

Minor modifications

Updated end date

Updated end date

Updated start date

Added more historical Oakland coastline

Added built-up area of Oakland as of 1859

Removed innacurate feature

Added some piers

Changed start date

Updated historic coastline, added built up areas as of 1878

Added built-up area as of 1853

Added built-up area as of 1857

Added new roads, parks

Added new belgrade