1940s Maps of Napa Junction, California
Explore 4 historic maps of Napa Junction from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.
Whether you're researching your family's past, planning a metal detecting trip, or studying how Napa Junction's landscape evolved across the 1940s, these high-resolution maps are a powerful tool for exploring the history of this region.
- Focus on a specific era: All maps on this page are from the 1940s, giving you a focused view of this time period.
- See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
- Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
- View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.
Start exploring Napa Junction's history through authentic maps from the 1940s. This is your window into the past.
Napa Junction, CA maps
(4)- 1942 Map of Mare Island
1942 Mare Island1942 Print · USGSThe northern reaches of San Pablo Bay come alive in this wartime survey, showing a landscape of vital naval yards and marshland agriculture. Genealogists and historians can trace rail depots like Napa Junction, rural landmarks like American Canyon School, and the industrial waterfronts of Vallejo and Oleum. - 1947 Map of Santa Rosa
1947 Santa Rosa1947 Print · USGSNorthern California in the late 1940s was a landscape of agricultural valleys and vital rail hubs. Trace the historic routes of the Northwestern Pacific through Healdsburg or explore the mid-century waterfronts of Vallejo and Benicia near Mare Island. - 1949 Map of Santa Rosa
1949 Santa Rosa1949 Print · USGSThe North Bay and Wine Country appear here in the late 1940s, when the Northwestern Pacific RR still dominated regional transit. Genealogists and historians can trace old coastal outposts like Anchor Bay Settlement and the early layout of Santa Rosa.2 unique versions available - 1949 Map of Cuttings Wharf, 1956 Print
1949 Cuttings Wharf1956 Print · USGSThe Napa River delta in the late 1940s is a maze of tidal sloughs and growing railroad towns. Genealogists can trace family names at Cuttings Wharf, old rural schools like Los Amigos Sch, and early aviation sites like Vallejo Sky Harbor.8 unique versions available
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