Old Maps of Alta, California for Genealogy
Trace your family roots with 15 historic maps of Alta. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.
- Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
- Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
- Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.
These maps are an incredible resource for exploring your personal connection to Alta's past.
Alta, CA maps
(15)- 1891 Map of Colfax
1891 Colfax1891 Print · USGSThe Sierra Nevada foothills and high ridges of the Gold Country appear in this late nineteenth-century survey during a peak era of mining and rail expansion. Genealogists and historians can trace old hydraulic mining sites like Malakoff and mountain settlements such as North Bloomfield and Gold Run. - 1892 Map of Colfax
1892 Colfax1892 Print · USGSThe Sierra Nevada foothills thrive with mining and rail activity in the 1890s as the gold industry matures. Genealogists and historians can trace old claims and communities like North Bloomfield, Alleghany, and the Alaska Mine along the Central Pacific Railroad. - 1894 Map of Colfax
1894 Colfax1894 Print · USGSThe northern Sierra Nevada's mining heartland is mapped here during the late nineteenth-century gold boom. Researchers can trace the paths of the Central Pacific Railroad and locate historic claims like the Delhi Mine and Derbec Mine. - 1898 Map of Colfax
1898 Colfax1898 Print · USGSThe Sierra Nevada gold fields come to life in the late nineteenth century as hydraulic mining reaches its peak. Genealogists and researchers can trace the early industrial footprint of the Malakoff Mine and settlements like Alleghany and North Bloomfield. - 1900 Map of Colfax
1900 Colfax1900 Print · USGSThe Sierra Nevada foothills and high peaks are shown at the turn of the century as the mining economy and transcontinental rail travel reached their maturity. Researchers can trace historic industrial sites like the Alaska Mine, remote camps such as Moores Flat, and the path of the Southern Pacific RR. - 1902 Map of Colfax
1902 Colfax1902 Print · USGSGold-rush towns and hydraulic mining sites define this portion of the Sierra Nevada at the turn of the century. Genealogists and historians can trace the foundations of North Bloomfield, locate the remote Alaska Mine, or follow the Southern Pacific through Emigrant Gap.7 unique versions available - 1938 Map of Colfax
1938 Colfax1938 Print · USGSThe Sierra Nevada's gold and timber country comes into focus in the late 1930s, showing a landscape defined by deep river canyons and industrial high-country camps. Researchers can locate remote sites like the Sixteen to One Mine, the North Bloomfield Ranger Station, and vanished settlements like Lake City.3 unique versions available - 1950 Map of Colfax, 1953 Print
1950 Colfax1953 Print · USGSPlacer and Nevada Counties are shown here during the early post-war years, as the Mother Lode's industrial footprint remained clearly visible. Genealogists and historians can trace the Southern Pacific line through historic sites like Illinoistown and active communities such as Foresthill and Weimar.4 unique versions available - 1950 Map of Dutch Flat, 1957 Print
1950 Dutch Flat1957 Print · USGSThe Gold Country's high ridges and deep canyons are captured here in the mid-1950s as the modern highway began to follow the old emigrant trails. Genealogists and historians can trace the legacy of hydraulic mining through sites like Liberty Hill Diggings and find local landmarks such as the Gold Run Sch and Camel's Hump LO.8 unique versions available - 1951 Map of Dutch Flat
1951 Dutch Flat1951 Print · USGSThe Sierra Nevada foothills are shown here in the early fifties, detailing a landscape shaped by hydraulic mining and the railroad. Genealogists and historians can trace the Southern Pacific Railroad through Dutch Flat, Gold Run, and the Little York Diggings. - 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 - 1960 Map of Chico
1960 Chico1960 Print · USGSThe Northern California high country and Sacramento Valley meet in this 1960s-era landscape of mining towns and river settlements. Trace the rail-and-water economy of the gold country through the Empire Mine, Beale Air Force Base, and the Western Pacific Railroad. - 1977 Map of Truckee, 1978 Print
1977 Truckee1978 Print · USGSThe High Sierra and Lake Tahoe regions come into focus in the late seventies, showing a landscape defined by massive reservoir projects and mountain transit. Genealogists and historians can trace the Southern Pacific rail line through Truckee or explore old mining districts near North Bloomfield and Colfax.2 unique versions available - 2000 Map of Dutch Flat, 2003 Print
2000 Dutch Flat2003 Print · USGSThe Gold Country ridges of Placer County come alive in this millennium-era update, showing the deep scars of hydraulic mining. Genealogists and researchers can trace local roots at the Dutch Flat Cemetery or locate old industrial sites like Nichols Diggings and the Navy Red Mine.2 unique versions available - 2022 Map of Dutch Flat, 2022 Print
2022 Dutch Flat2022 Print · USGSThe Sierra Nevada foothills near Dutch Flat and Gold Run come alive in this contemporary survey of Placer County. Genealogists and historians can trace old community sites like Towle and Midas or locate the historic Dutch Flat Cemetery.
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