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1900s (20th Century) Maps of Rio Dell, California

Explore 15 historic maps of Rio Dell 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 Rio Dell'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 Rio Dell's history through authentic maps from the 1900s. This is your window into the past.

Rio Dell, CA maps

(15)
  1. 1919 Map of Glynn, 1945 Print
    1919 Map of Glynn, 1945 Print
    1919 Glynn
    1945 Print · USGS
    Coastal Humboldt County at the end of the Great War reveals a landscape of industrial timber towns and remote family ranches. Researchers can trace early infrastructure along the Eel River or locate family landmarks like Giacomini Ranch and the Bull Creek Settlement.
  4. 1944 Map of Fortuna
    1944 Map of Fortuna
    1944 Fortuna
    1944 Print · USGS
    Humboldt County’s timber and ranching heartland is captured here in the early 1940s as the Eel River valley flourished. Genealogists can trace family roots through numerous rural school sites like Bucksport Sch and Grant Union Sch or the mill town of Falk.
    3 unique versions available
  7. 1949 Map of Eureka
    1949 Map of Eureka
    1949 Eureka
    1949 Print · USGS
    Coastal Northern California in the late 1940s shows a landscape of timber towns and maritime outposts. You can trace the Northwestern Pacific rail line through Eureka or locate family landmarks like the Tyson Chrome Mine and Crescent City Lighthouse.
    2 unique versions available
  10. 1950 Map of Scotia, 1957 Print
    1950 Map of Scotia, 1957 Print
    1950 Scotia
    1957 Print · USGS
    Humboldt County’s river valleys and ranch lands are captured here just after the war. Researchers can trace the Northwestern Pacific line through Scotia or locate remote homesteads like McClellan Ranch and the Upper Mattole School.
    2 unique versions available
  13. 1951 Map of Scotia
    1951 Map of Scotia
    1951 Scotia
    1951 Print · USGS
    The Eel River timber and ranching country thrives in the early fifties, centering on the mill town of Scotia and the Redwood Highway corridor. Researchers can trace family-named landmarks like the Chase Ranch, the Upper Mattole School, and rural outposts like Hacketsville.
  16. 1958 Map of Eureka, 1967 Print
    1958 Map of Eureka, 1967 Print
    1958 Eureka
    1967 Print · USGS
    Northern California's rugged redwood coast and timber corridors are captured in the late fifties, from the Oregon border down to Shelter Cove. Researchers can trace the path of the Northwestern Pacific railroad and locate rural landmarks like Grizzly Bluff School or the St Josephs Sch.
  19. 1958 Map of Eureka, 1978 Print
    1958 Map of Eureka, 1978 Print
    1958 Eureka
    1978 Print · USGS
    Coastal Humboldt County is captured here in the late fifties, showing the region's logging and maritime identity before later development changed the Eel River delta. Genealogists and historians can trace the Northwestern Pacific rail line and locate old community hubs like Rio Dell, Scotia, and Ferndale.
  22. 1959 Map of Fortuna, 1961 Print
    1959 Map of Fortuna, 1961 Print
    1959 Fortuna
    1961 Print · USGS
    Coastal Humboldt County thrived on a river-and-rail economy during the late fifties, where timber and transit met at the Pacific. Genealogists and historians can trace the foundations of Fortuna, Rohnerville, and Loleta, or locate family landmarks like Jones Prairie Sch and the Northwestern Pacific Railroad.
    2 unique versions available
  25. 1959 Map of Fortuna, 1961 Print
    1959 Map of Fortuna, 1961 Print
    1959 Fortuna
    1961 Print · USGS
    Humboldt County’s Eel River Valley was a thriving timber and transit corridor when this survey was conducted in the late fifties. Genealogists and historians can locate old schools like Grizzly Bluff Sch, the St Pius X Seminary, and the original footprint of Fortuna.
    3 unique versions available
  28. 1961 Map of Eureka
    1961 Map of Eureka
    1961 Eureka
    1961 Print · USGS
    The Northern California coast and its deep redwood forests are mapped here at a time when the timber and rail industries defined the region. Researchers can trace historic family ranches and remote sites like Fort Dick, Table Bluff Lighthouse, and the Copper Creek Mine.
    2 unique versions available
  31. 1969 Map of Taylor Peak, 1974 Print
    1969 Map of Taylor Peak, 1974 Print
    1969 Taylor Peak
    1974 Print · USGS
    Humboldt County ranching culture is well-documented in this late 1960s survey of the rugged ridges between the Bear and Mattole Rivers. Researchers can trace family-held lands like McClellan Ranch and Chase Ranch or locate the remote Cem near Hacketsville.
  34. 1970 Map of Scotia, 1974 Print
    1970 Map of Scotia, 1974 Print
    1970 Scotia
    1974 Print · USGS
    Humboldt County’s river-bound lumber towns are shown in the early 1970s as they transition from industrial hubs into parklands. You can trace the Northwestern Pacific railroad corridor and locate named clearings like Barkdull Prairie and Harrow Springs.
  37. 1979 Map of Hydesville
    1979 Map of Hydesville
    1979 Hydesville
    1979 Print · USGS
    Humboldt County’s timber and river communities are shown in the late seventies as industry and settlement expanded along the Eel River. Researchers can trace family sites at Rohnerville Cemetery, locate the Cuddeback Sch, or follow the Northwestern Pacific Railroad through Carlotta.
    2 unique versions available
  40. 1987 Map of Eureka
    1987 Map of Eureka
    1987 Eureka
    1987 Print · USGS
    The Humboldt County coastline in the late eighties reveals a landscape shaped by timber, transport, and the sea. Trace the Northwestern Pacific RR through Eureka or locate family roots near Ocean View Cem and Arlynda Corners.
  43. 1989 Map of Cape Mendocino
    1989 Map of Cape Mendocino
    1989 Cape Mendocino
    1989 Print · USGS
    The Humboldt coast in the late eighties reveals a landscape where massive redwoods meet the deep sea. Genealogists and historians can trace the remote outposts of Petrolia and Capetown or locate historic markers like the Punta Gorda Lighthouse.
End of results
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