1900s (20th Century) Maps of Alta, California

1. 1900 Map of Colfax

   

   1900 Colfax

   1900 Print · USGS

   The 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.

   BuyDownload
   BuyDownload

3. ---

4. 1902 Map of Colfax

   

   1902 Colfax

   1902 Print · USGS

   Gold-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

   BuyDownload
   BuyDownload

6. ---

7. 1938 Map of Colfax

   

   1938 Colfax

   1938 Print · USGS

   The 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

   BuyDownload
   BuyDownload

9. ---

10. 1950 Map of Colfax, 1953 Print

    

    1950 Colfax

    1953 Print · USGS

    Placer 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

    BuyDownload
    BuyDownload

12. ---

13. 1950 Map of Dutch Flat, 1957 Print

    

    1950 Dutch Flat

    1957 Print · USGS

    The 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

    BuyDownload
    BuyDownload

15. ---

16. 1951 Map of Dutch Flat

    

    1951 Dutch Flat

    1951 Print · USGS

    The 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.

    BuyDownload
    BuyDownload

18. ---

19. 1958 Map of Chico, 1962 Print

    

    1958 Chico

    1962 Print · USGS

    Mid-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

    BuyDownload
    BuyDownload

21. ---

22. 1960 Map of Chico

    

    1960 Chico

    1960 Print · USGS

    The 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.

    BuyDownload
    BuyDownload

24. ---

25. 1977 Map of Truckee, 1978 Print

    

    1977 Truckee

    1978 Print · USGS

    The 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

    BuyDownload
    BuyDownload

27. ---