This is California Gold Rush Map. There were two big goldfields: Sierra Navada goldfields city and Northern California Goldfield city which are the two yellow parts. The blue lines are showing the river across these two cities.
Could a subtle tweak to Metro's map fix overcrowding on the Blue Line? by Martine Powers
Awesome New! Downtown Line (Blue Line) MRT Singapore http://dougleschan.com/the-recruitment-guru/mrt-map/20-mrt-maps-of-singapore/ Check more at http://dougleschan.com/the-recruitment-guru/uncategorized/new-downtown-line-blue-line-mrt-singapore-httpdougleschan-comthe-recruitment-gurumrt-map20-mrt-maps-of-singapore__trashed/