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1900s (20th Century) Maps of Modoc County, California

Explore 204 historic maps of Modoc County from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 Modoc County's landscape evolved across the 1900s, 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 1900s, 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 Modoc County's history through authentic maps from the 1900s. This is your window into the past.

Modoc County, CA maps

(204)
  1. 1951 Map of Clear Lake Reservoir, 1952 Print
    1951 Map of Clear Lake Reservoir, 1952 Print
    1951 Clear Lake Reservoir
    1952 Print · USGS
    Modoc County's high-desert basins and water systems are captured in the early fifties, just as the wildlife refuge and reservoir reached their modern configuration. Researchers can trace the historic Emigrant Trail or locate legacy ranching sites like McNeil Ranch and Chandler Ranch.
    5 unique versions available
  4. 1951 Map of Tulelake, 1953 Print
    1951 Map of Tulelake, 1953 Print
    1951 Tulelake
    1953 Print · USGS
    Tule Lake and the Modoc plateau are captured in the early fifties during the height of the region's agricultural development. Genealogists and historians can trace the legacy of family ranching at Old Elliot Ranch or locate the historic Battle of Lands Ranch (Site) and Carr School.
    4 unique versions available
  7. 1952 Map of Timber Mountain, 1954 Print
    1952 Map of Timber Mountain, 1954 Print
    1952 Timber Mountain
    1954 Print · USGS
    The Modoc high country in the early fifties shows a rugged landscape of volcanic flows and forest industry. You can trace the Modoc War history at Captain Jacks Stronghold or locate logging era sites like Old Camp One and the Tionesta PO.
    5 unique versions available
  10. 1952 Map of Hackamore, 1954 Print
    1952 Map of Hackamore, 1954 Print
    1952 Hackamore
    1954 Print · USGS
    High desert timberlands and volcanic peaks define the Modoc National Forest in the early fifties as the railroad connected remote outposts. Trace the rail-and-resource economy through Meares, the Pumice Brick Plant, and the complex of Hackamore Reservoir.
    4 unique versions available
  13. 1954 Map of Vya, 1967 Print
    1954 Map of Vya, 1967 Print
    1954 Vya
    1967 Print · USGS
    The tri-state corner of Nevada, Oregon, and California appears here in the mid-fifties, dominated by wildlife refuges and massive naval gunnery ranges. Trace isolated high-desert outposts like Vya and Soldier Meadow Ranch or find historic workings at the Ashdown Mine.
    3 unique versions available
  16. 1954 Map of Alturas, 1968 Print
    1954 Map of Alturas, 1968 Print
    1954 Alturas
    1968 Print · USGS
    The Modoc Plateau and Surprise Valley appear in the mid-1950s as a landscape of remote ranching towns and vast wildlife refuges. Researchers can trace early settlements like Fort Bidwell, locate the McArthur Grain Elevator, and follow the Southern Pacific rail lines.
    4 unique versions available
  19. 1958 Map of Alturas
    1958 Map of Alturas
    1958 Alturas
    1958 Print · USGS
    The Modoc Plateau and Warner Mountains appear here during the late fifties, showcasing a landscape of high-desert ranching and volcanic terrain. Researchers can trace the rail-and-water economy through Alturas, Cedarville, and the Fort Bidwell Indian Res.
    2 unique versions available
  22. 1958 Map of Vya
    1958 Map of Vya
    1958 Vya
    1958 Print · USGS
    Northwest Nevada and the tri-state border region are mapped here during the mid-fifties, showing a remote landscape of high desert ranches and sprawling antelope range. Trace historic operations like the Ashdown Mine, find local camps like Coyote Camp, and locate isolated outposts from Vya to Denio.
    2 unique versions available
  25. 1961 Map of Canby, 1963 Print
    1961 Map of Canby, 1963 Print
    1961 Canby
    1963 Print · USGS
    Upper Modoc County in the early sixties shows a landscape of timber and transit where the Southern Pacific meets the Pit River. Genealogists and historians can locate the Kelly Grave, the Evans and Bailey Historical Monument, and the high-elevation Lost Cabin Mine.
    2 unique versions available
  28. 1961 Map of Bieber, 1963 Print
    1961 Map of Bieber, 1963 Print
    1961 Bieber
    1963 Print · USGS
    The Pit River basin in the early sixties shows a landscape of rail junctions and high-desert wetlands. Genealogists and historians can trace the Lookout Rancheria, locate the Mountain View Cem, and study the rail connection at Nubieber.
    2 unique versions available
  31. 1961 Map of Fall River Mills, 1963 Print
    1961 Map of Fall River Mills, 1963 Print
    1961 Fall River Mills
    1963 Print · USGS
    Northeastern California at the dawn of the 1960s reveals a unique landscape of volcanic lava beds and extensive river irrigation. Researchers can trace family history at Pine Grove Cemetery and Island School, or explore the complex waterways of Big Lake and the Fall River.
    2 unique versions available
  34. 1961 Map of Alturas, 1963 Print
    1961 Map of Alturas, 1963 Print
    1961 Alturas
    1963 Print · USGS
    Alturas and the surrounding high-desert valleys are captured in the early sixties as the regional rail and ranching economy thrived. Genealogists and historians can locate family landmarks like the Delmorma Sch, the Infernal Caverns Battlefield Memorial Marker, and the McArthur Grain Elevators.
    3 unique versions available
  37. 1962 Map of Alturas
    1962 Map of Alturas
    1962 Alturas
    1962 Print · USGS
    The high desert of Modoc and Siskiyou counties is shown in the early sixties as a hub of timber, rail, and agriculture. Genealogists and historians can trace rail-side life via the Southern Pacific RR, the Tionesta PO, and the McArthur Grain Elevator.
  40. 1962 Map of Vya
    1962 Map of Vya
    1962 Vya
    1962 Print · USGS
    The Nevada and Oregon borderlands in the early sixties reveal a landscape of isolated ranching outposts and high-desert mining. Researchers can trace historic family holdings like the Denio Ranch or locate early mineral sites including the Mcadoo Mine and Iron King Mine.
  43. 1962 Map of Crank Mountain, 1963 Print
    1962 Map of Crank Mountain, 1963 Print
    1962 Crank Mountain
    1963 Print · USGS
    Modoc County’s timber and ranching country comes into focus in the early sixties, showing the remote outposts of the northern interior. Researchers can locate seasonal sites like Old Hulbert Place and Roberts Camp or trace the early Logging Road networks.
    2 unique versions available
  46. 1962 Map of Davis Creek, 1964 Print
    1962 Map of Davis Creek, 1964 Print
    1962 Davis Creek
    1964 Print · USGS
    Modoc County ranching and tribal lands are meticulously detailed in this early 1960s survey of the Warner Mountains foothills. Genealogists and researchers can trace family landmarks and rural infrastructure from the XL Ranch Indian Reservation to the Cem at Davis Creek.
    2 unique versions available
  49. 1962 Map of Adin, 1964 Print
    1962 Map of Adin, 1964 Print
    1962 Adin
    1964 Print · USGS
    The northern reaches of Big Valley and the Modoc-Lassen border come into focus in the early sixties, showing a landscape defined by ranching and timber. Genealogists and researchers can trace family-named sites such as Knudsen Ranch, Dibble Place, and the Adin Cemetery.
    2 unique versions available
  52. 1962 Map of Tule Mountain, 1964 Print
    1962 Map of Tule Mountain, 1964 Print
    1962 Tule Mountain
    1964 Print · USGS
    Northeastern California at the start of the 1960s reveals a landscape of high-elevation reservoirs and remote ranching outposts. Researchers can trace the Southern Pacific rail line past Likely Rancheria or locate old water sources like Warm Spring and Mud Lake.
    5 unique versions available
  55. 1962 Map of Snake Lake, 1964 Print
    1962 Map of Snake Lake, 1964 Print
    1962 Snake Lake
    1964 Print · USGS
    Surprise Valley ranching and the Modoc National Forest meet on this 1960s survey along the California-Nevada state line. Researchers can trace historical water use and high-desert infrastructure through Bare Ranch, the Bare Ranch Airport, and Sworinger Reservoir.
    4 unique versions available
  58. 1962 Map of Big Sage Reservoir, 1964 Print
    1962 Map of Big Sage Reservoir, 1964 Print
    1962 Big Sage Reservoir
    1964 Print · USGS
    Northeastern California ranching and water management come into focus in the early sixties within the Modoc National Forest. Researchers can trace old family holdings like Ingalls Swamp Ranch and survey critical water sources from the Big Sage Reservoir to Emigrant Spring.
    2 unique versions available
  61. 1962 Map of Willow Ranch, 1964 Print
    1962 Map of Willow Ranch, 1964 Print
    1962 Willow Ranch
    1964 Print · USGS
    Near the Oregon border in the early sixties, this area shows the intersection of high-desert ranching and mountain forestry. Researchers can find family-named sites like Lakeshore Ranch, the State Line School, and the historic Site of Fandango Pass Massacre.
    2 unique versions available
  64. 1962 Map of Steele Swamp, 1964 Print
    1962 Map of Steele Swamp, 1964 Print
    1962 Steele Swamp
    1964 Print · USGS
    Northeastern California rangelands and the Oregon borderlands come alive in the early sixties, showing a landscape shaped by remote ranching and forest management. Trace family-named outposts like Grohs Ranch or find administrative markers like the State Line Guard Sta and Crowder Flat Ranger Station.
    2 unique versions available
  67. 1962 Map of South Mountain, 1964 Print
    1962 Map of South Mountain, 1964 Print
    1962 South Mountain
    1964 Print · USGS
    The Modoc Plateau at the California and Oregon border comes into focus in the early sixties, showing a landscape of high-elevation ranching and forestry. Researchers can trace remote cabins and water works like Pease Cabin, Cove Ranch, and McGinty Reservoir across the timbered ridges.
    2 unique versions available
  70. 1962 Map of Jess Valley, 1964 Print
    1962 Map of Jess Valley, 1964 Print
    1962 Jess Valley
    1964 Print · USGS
    The Modoc high country in the early sixties was a landscape of remote cattle operations and forest management. Researchers can trace the early trails and water sources of the Modoc National Forest, including Blue Lake Ranch and the Guard Station near Blue Lake.
    4 unique versions available
  73. 1962 Map of Cedarville, 1964 Print
    1962 Map of Cedarville, 1964 Print
    1962 Cedarville
    1964 Print · USGS
    The Surprise Valley in the early sixties was a land of sprawling alkaline lakes and rugged mountain outposts. Genealogists and researchers can trace the ranching families and local landmarks like Boyd Spring Ranch, the Cedarville Cem, and the Cedarville Rancheria.
    2 unique versions available
Showing maps 1-25 of 204

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Frequently asked questions

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