1940s Maps of Inyo County, California

1. 1940 Map of Eagle Tank, 1959 Print

   

   1940 Eagle Tank

   1959 Print · USGS

   Inland California's desert mining frontier was still active in the 1940s, centered on the high terrain of the Eagle Mountains. Prospectors can trace old shafts and mills like the Mystery Mine, Sunrise Mill, and the Iron Chief Mine (Abandoned).

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4. 1942 Map of Ivanpah

   

   1942 Ivanpah

   1942 Print · USGS

   The Mojave Desert frontier comes into focus during the early war years, showing a landscape shaped by mining and rail. You can trace the path of the Union Pacific through remote stops like Nipton, Goodsprings, and the junction at Barnwell.

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7. 1942 Map of Bullfrog

   

   1942 Bullfrog

   1942 Print · USGS

   The high desert of southern Nevada and eastern California is shown here during the early war years, documenting the region's mining and railroad legacy. Researchers can trace the T & T (Abandoned) railroad grade and locate mining sites like Jumbo and Ladd near Rhyolite.

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10. 1947 Map of Trona, 1948 Print

    

    1947 Trona

    1948 Print · USGS

    The Mojave Desert and Southern Sierra foothills come alive in the late 1940s, showing the industrial nodes of the Argus Range and the burgeoning Camp Irwin. Trace the legacy of desert mining and railroading through Trona, the Ashford Mill, and the historic districts of Randsburg and Garlock.

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13. 1947 Map of Kingman, 1948 Print

    

    1947 Kingman

    1948 Print · USGS

    The tri-state Mojave desert region comes into focus during the late 1940s, as post-war travel began to surge along U S 66. Genealogists and historians can trace the mining-and-rail economy through the Atchison Topeka and Santa Fe line, the Copper World Mine, and old settlements like Oatman or Goodsprings.

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16. 1947 Map of Mariposa, 1948 Print

    

    1947 Mariposa

    1948 Print · USGS

    The High Sierra and Owens Valley transition is captured here in the late 1940s, just as the region’s hydroelectric and tourism infrastructure was maturing. Genealogists and historians can trace old ranger stations, the Casa Diablo Mine, and rail stops along the Southern Pacific like Benton Station and Zurich.

    2 unique versions available

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19. 1948 Map of Kingman

    

    1948 Kingman

    1948 Print · USGS

    The Mojave Desert at the dawn of the fifties shows a landscape of deep canyons and booming mines along the Arizona and Nevada border. Genealogists and historians can trace rail-stop towns and mining claims like Oatman, Searchlight, and the Mohawk Mine.

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22. 1948 Map of Trona

    

    1948 Trona

    1948 Print · USGS

    The Mojave Desert and Death Valley frontier appear here during a mid-century era of military expansion and industrial mining. Trace the remnants of the Old Spanish Trail or locate isolated landmarks like Ashford Mill and the mining hub of Randsburg.

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25. 1948 Map of Death Valley

    

    1948 Death Valley

    1948 Print · USGS

    In the late 1940s, this desert frontier was defined by isolated mining camps and military restricted zones. Researchers can trace the routes between Furnace Creek Ranch and Rhyolite, or locate remote sites like the Modoc Mine and Ballarat.

    2 unique versions available

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28. 1948 Map of Bakersfield

    

    1948 Bakersfield

    1948 Print · USGS

    Bakersfield and the southern San Joaquin Valley appear in the late 1940s, showing a landscape of burgeoning oil towns, rail junctions, and early irrigation canals. Genealogists and historians can trace the foundations of local industry through Gardner Field, the Sunset Railway, and the shores of Buena Vista Lake.

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31. 1948 Map of Fresno

    

    1948 Fresno

    1948 Print · USGS

    The San Joaquin Valley and the High Sierra met during a period of rapid post-war growth and industrial expansion. Genealogists and researchers can trace family lines through small rail towns like Calwa City, find early aviation sites at Fresno-Chandler, or locate the Fresno Copper Mine.

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34. 1948 Map of Mariposa, 1951 Print

    

    1948 Mariposa

    1951 Print · USGS

    The High Sierra and Mariposa foothills are shown here in the late 1940s as the post-war tourism and water infrastructure expanded. Genealogists and historians can locate vanished waypoints like Mormon Bar, the Glacier Point Hotel, and the granite quarries of Knowles.

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37. 1948 Map of Mt. Goddard, 1958 Print

    

    1948 Mt. Goddard

    1958 Print · USGS

    High Sierra peaks and remote mines appear in this 1940s survey of the alpine divide. Trace early backcountry routes along the Muir Trail and locate historical outposts like Parchers Camp or the Cardinal Mine.

    2 unique versions available

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40. 1949 Map of Mt. Tom, 1955 Print

    

    1949 Mt. Tom

    1955 Print · USGS

    In the Sierra Nevada during the late 1940s, the tungsten mining boom transformed the landscape around Round Valley. Researchers can trace industrial sites like the Adamson Mine, locate the Round Valley School, and explore the canyon routes leading to Scheelite.

    6 unique versions available

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43. 1949 Map of Bishop, 1956 Print

    

    1949 Bishop

    1956 Print · USGS

    The Owens Valley was a center of mining and water engineering at mid-century, dominated by the growth of Bishop. Researchers can trace the legacy of tribal lands at the Paiute Shoshone Indian Reservation or locate extraction sites like the Rossi Tungsten Mine and Southern Belle Mine.

    4 unique versions available

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46. 1949 Map of Trona, 1958 Print

    

    1949 Trona

    1958 Print · USGS

    The industrial desert outpost of Trona is captured at mid-century as it serves the chemical works on the edge of Searles Lake. Genealogists and historians can trace the remote mining operations of the Argus Range, including the Gold Bottom Mine and Mohawk Mine.

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