Official Map of California Stamps Posted on 2012/07/10 by admin Official Map of California Shows cities, roads, rivers, mountains, county boundaries, railroads, low areas subject to overflow (wetlands), ferries and routes such as Fremont’s route, Walker pass, Lassen route, Oregon Trail, etc. [1854] product tags: maps, views, sacramento, vintage maps, historical california, yerba buena, retro california, historical map, historical maps, california, vintage california, retro, san francisco, stamps,