1950s Maps of Sierra County, California
Explore 23 historic maps of Sierra County from the 1950s. These maps offer a rare glimpse into what life looked like during the 1950s — 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 Sierra County's landscape evolved across the 1950s, 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 1950s, 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 Sierra County's history through authentic maps from the 1950s. This is your window into the past.
Sierra County, CA maps
(23)- 1950 Map of Strawberry Valley
1950 Strawberry Valley1950 Print · USGSThe Gold Country of the northern Sierras comes into focus at mid-century, showing the overlapping boundaries of Plumas and Tahoe National Forests. Genealogists and researchers can trace historical mining sites and river bars like Brandy City, Strawberry Valley, and the Palace Mine. - 1950 Map of Camptonville
1950 Camptonville1950 Print · USGSThe northern Sierra foothills are documented here in the mid-century, showing a landscape defined by deep river canyons and high-altitude ranching. Researchers can locate specific family lands and historic sites like Sleighville House, Joubert Diggings, and Freemans Crossing. - 1950 Map of American House
1950 American House1950 Print · USGSThe Plumas National Forest backcountry is documented here during the post-war era, showing a landscape defined by timber, water, and early mining. Trace local history through sites like American House, the Lexington Hill Lookout, and the Sanborn Mine.2 unique versions available - 1950 Map of Onion Valley, 1958 Print
1950 Onion Valley1958 Print · USGSPlumas County is captured here in the mid-twentieth century, showcasing a landscape shaped by the Feather River and a deep mining history. Genealogists and researchers can trace former settlements at Onion Valley or locate old operations like the Five Bear Mine and Rich Bar.3 unique versions available - 1950 Map of Alleghany, 1959 Print
1950 Alleghany1959 Print · USGSThe Sierra Nevada gold fields appear in high detail during the mid-fifties, showing the massive hydraulic scars and active mining camps of the Yuba River forks. Genealogists and historians can locate vanished settlements like Moores Flat or trace the extensive Malakoff Diggings and Alpha Diggings.4 unique versions available - 1951 Map of Alleghany
1951 Alleghany1951 Print · USGSIn the California gold country just after the war, this landscape shows the deep imprint of the Sierra mining era. Genealogists and researchers can trace family-named sites like Hagerty Ranch, the Sixteen To One Mine, and the vanished settlement at Moores Flat. - 1951 Map of Onion Valley
1951 Onion Valley1951 Print · USGSThe northern Sierra Nevada highlands appear in the early fifties as a landscape of recovering forest and dormant gold works. Trace the history of the Feather River canyon through mining claims like the Belfrin Mine and vanished outposts at McCarthy Bar and Last Chance (Site). - 1951 Map of Pike
1951 Pike1951 Print · USGSThe Sierra Nevada gold country comes alive in the mid-twentieth century as mining sites and ridge-top settlements populate the divide between the Middle Yuba. Genealogists and historians can trace family locations from North Columbia to the Kate Hardy Mine and the massive Malakoff Diggings.2 unique versions available - 1951 Map of Mt. Fillmore, 1952 Print
1951 Mt. Fillmore1952 Print · USGSSierra County gold country is frozen in time during the early 1950s, documenting the remote canyons and high ridges between the Yuba and Downie Rivers. Researchers can trace the heritage of the northern mines through landmarks like Poker Flat, the California Mine, and the Deadwood Diggings.3 unique versions available - 1951 Map of La Porte, 1952 Print
1951 La Porte1952 Print · USGSGold Rush-era mining camps and high-country forests define this landscape in the early fifties. Local historians can trace family roots at Pine Grove Cem or locate the former sites of Gibsonville, Port Wine, and the Thistle Shaft (Site).4 unique versions available - 1951 Map of Downieville, 1953 Print
1951 Downieville1953 Print · USGSThe mining district around Downieville is captured here in the early fifties, showing the deep legacy of the Gold Rush. Researchers can trace historic claims like the Gold Bluff Mine and Monte Cristo Mine or locate the Cornish House and Lavezzola Ranch.6 unique versions available - 1951 Map of Goodyears Bar, 1953 Print
1951 Goodyears Bar1953 Print · USGSSierra County's rugged gold country is documented here during the mid-century, capturing the enduring footprint of mining life and forest management. Researchers can trace the heritage of Goodyears Bar, the remote Eureka Cemetery, and historic sites like the Magnolia Mine.5 unique versions available - 1951 Map of Blue Nose Mtn, 1953 Print
1951 Blue Nose Mtn1953 Print · USGSPlumas County gold country is documented here in the early fifties, showing the high-elevation mines and river bars of the Sierra Nevada. Trace the legacy of early mining at Turkeytown Diggings, the Nelson Point (Site), and the Bunker Hill Mine.5 unique versions available - 1951 Map of Quincy, 1958 Print
1951 Quincy1958 Print · USGSMid-century Plumas County comes alive through this survey of the American Valley and its surrounding gold-bearing ridges. Researchers can trace the Western Pacific Railroad past historic points like Nelson Point and the Hungarian Placer Mine.3 unique versions available - 1951 Map of Downieville, 1958 Print
1951 Downieville1958 Print · USGSGold country life in the early fifties centered on the deep canyons of the Yuba and Feather Rivers. Trace the legacies of mining camps and family holdings from Downieville to the remote Howland Flat and the Standard Mine.3 unique versions available - 1955 Map of Loyalton, 1957 Print
1955 Loyalton1957 Print · USGSThe Sierra Valley and the high timberlands of the California-Nevada border come alive in the mid-fifties. Genealogists can trace the Loyalton Cem and isolated outposts like Balls Ranch or the Flying Dutchman Mine.4 unique versions available - 1955 Map of Donner Pass, 1957 Print
1955 Donner Pass1957 Print · USGSThe Sierra Nevada crest in the mid-fifties is defined by the critical transit corridor through Donner Pass and the high alpine lakes of the Tahoe region. Local historians can trace the Southern Pacific Railroad as it passes through Soda Springs and Norden or locate the historic Henness Pass Road.4 unique versions available - 1955 Map of Truckee, 1957 Print
1955 Truckee1957 Print · USGSThe High Sierra near the Nevada border comes alive in the mid-fifties as a crossroads of rail history and pioneer memory. Researchers can trace the Southern Pacific Railroad through the canyon to Truckee or locate historic spots like the Joerger Ranch and Hobart Mills.4 unique versions available - 1955 Map of Emigrant Gap, 1957 Print
1955 Emigrant Gap1957 Print · USGSThe Sierra Nevada high country and its mid-century mining legacy come alive here, showing the transition from gold extraction to water and rail utility. Genealogists and historians can trace the foundations of Graniteville, the Southern Pacific line, and sites like Baltimore Town.4 unique versions available - 1955 Map of Boca, 1957 Print
1955 Boca1957 Print · USGSThe California-Nevada borderlands in the mid-1950s show a landscape defined by the Truckee River and mountain rail transit. Trace the Southern Pacific line through Floriston, find the Boca Dam spillway, or locate the lookout atop Verdi Peak.7 unique versions available - 1955 Map of Sierra City, 1957 Print
1955 Sierra City1957 Print · USGSSierra County and the surrounding high country are captured here during the mid-1950s as the era of hard-rock mining transitioned into a seasonal recreation economy. Genealogists and historians can trace family-named sites like Fournier Ranch and McKenzie Ranch, or locate numerous mining operations including the Empire Mine and Loganville.5 unique versions available - 1955 Map of Sierraville, 1957 Print
1955 Sierraville1957 Print · USGSSierraville and the Sierra Valley are captured in the mid-fifties during a period of transition for the region's timber and aviation sectors. Genealogists and historians can trace old homesteads and landmarks like Campbell Hot Springs, the Antelope Mine, and the Winnie Smith Mill (Ruins).3 unique versions available - 1958 Map of Chico, 1962 Print
1958 Chico1962 Print · USGSMid-century Northern California comes to life across the Central Valley and high Sierras as the postwar economy transformed the landscape. Trace the rail lines of the Southern Pacific RR, locate family roots near Chico Cem, or explore the early layout of Paradise and Beale Air Force Base.4 unique versions available
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