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1900s (20th Century) Maps of Natrona County, Wyoming

Explore 152 historic maps of Natrona 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 Natrona 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 Natrona County's history through authentic maps from the 1900s. This is your window into the past.

Natrona County, WY maps

(152)
  1. 1949 Map of Brookhurst, 1958 Print
    1949 Map of Brookhurst, 1958 Print
    1949 Brookhurst
    1958 Print · USGS
    Natrona County in the late 1940s shows a landscape shaped by the river and the rail, just as the regional oil industry was maturing. Researchers can trace family ranch lands like Jones Ranch, locate the rural Muddy Sch, and follow the Burlington and Quincy railroad through Brookhurst.
  4. 1949 Map of Campbell Hill, 1958 Print
    1949 Map of Campbell Hill, 1958 Print
    1949 Campbell Hill
    1958 Print · USGS
    The high plains of the Converse and Natrona county line are shown here in the late 1940s as petroleum development took hold. Researchers can locate early oil infrastructure at the Cole Creek Oil Field and trace legacy family holdings like the K Lazy S Ranch or the Dewitt Ranch.
    3 unique versions available
  7. 1949 Map of Pratts Soda Lakes, 1975 Print
    1949 Map of Pratts Soda Lakes, 1975 Print
    1949 Pratts Soda Lakes
    1975 Print · USGS
    Natrona County at the end of the 1940s shows a landscape where historic pioneer paths meet modern industry. Trace the route of the Emigrant Trail past the Blue Rock Coal Mine and the distinctive Pratts Soda Lakes.
    2 unique versions available
  10. 1950 Map of Campbell Hill
    1950 Map of Campbell Hill
    1950 Campbell Hill
    1950 Print · USGS
    Converse and Natrona counties are captured here at mid-century, where the burgeoning oil industry meets traditional high-plains ranching. Local historians can trace family landholdings like the K Lazy S Ranch or the legacy of the Big Muddy Coal Mine (Abandoned).
  13. 1950 Map of Lockett
    1950 Map of Lockett
    1950 Lockett
    1950 Print · USGS
    The North Platte River valley at the mid-century shows a distinct mix of Wyoming ranching and energy production. Genealogists and historians can trace family land at the Old Webble Ranch and Lamb Ranch or explore the early infrastructure of the Big Muddy Oil Field.
  16. 1950 Map of Brookhurst
    1950 Map of Brookhurst
    1950 Brookhurst
    1950 Print · USGS
    Mid-century Natrona County is documented here as ranching traditions and railroad industry converged along the North Platte River. Researchers can trace early rural infrastructure through the Muddy Sch, Mystery Bridge, and family holdings like Hat Six Ranch.
  19. 1950 Map of Pratts Soda Lakes
    1950 Map of Pratts Soda Lakes
    1950 Pratts Soda Lakes
    1950 Print · USGS
    Natrona County's mid-century landscape is defined by the energy and mining industries, showing a vast network of infrastructure. Trace old energy routes and mining sites like the Swigart Coal Mine, Cole Creek Oil Field, and Suicide Soda Lake.
  22. 1950 Map of Emigrant Gap, 1952 Print
    1950 Map of Emigrant Gap, 1952 Print
    1950 Emigrant Gap
    1952 Print · USGS
    The central Wyoming plains meet the river's edge in 1950, showing a landscape defined by pioneer history and modern water management. Researchers can locate the historic Oregon Trail and its marker, the Old Goose Egg Ranch House (Ruins), and the rural Bessemer School.
    2 unique versions available
  25. 1950 Map of Goose Egg, 1952 Print
    1950 Map of Goose Egg, 1952 Print
    1950 Goose Egg
    1952 Print · USGS
    Mid-century Natrona County comes to life at the foot of the mountains as rail and river networks converge. Genealogists and historians can trace the foundations of Mountain View and find rural landmarks like Sageglen Sch and the local Cem.
  28. 1950 Map of Emigrant Gap NE, 1952 Print
    1950 Map of Emigrant Gap NE, 1952 Print
    1950 Emigrant Gap NE
    1952 Print · USGS
    Mid-century Natrona County is captured here during the expansion of the Missouri River Basin project. Trace early irrigation and navigation infrastructure including the Casper Canal, the Radio Range Station, and Thirtythree Mile Road.
  31. 1950 Map of Alcova SE, 1971 Print
    1950 Map of Alcova SE, 1971 Print
    1950 Alcova SE
    1971 Print · USGS
    Mid-century Natrona County was a landscape of oil exploration and livestock grazing south of Casper. Genealogists and historians can trace the footprint of early energy production at the Spindle Top Oil Field or follow the Stock Trail through Bates Hole.
  34. 1950 Map of Alcova, 1985 Print
    1950 Map of Alcova, 1985 Print
    1950 Alcova
    1985 Print · USGS
    The North Platte River corridor near Alcova is captured here at mid-century during the expansion of the Missouri River Basin project. Genealogists and researchers can locate the River Bend School, the Alcova PO, and the engineering of the Alcova Dam.
  37. 1951 Map of The Reefs
    1951 Map of The Reefs
    1951 The Reefs
    1951 Print · USGS
    The high plains of Natrona County appear in detail in the early fifties, showcasing the region's evolving industrial and aviation landscape. Researchers can trace the layout of the Wardwell Airport, the Oil Tank Farm (Abandoned), and landmarks like The Reefs.
  40. 1951 Map of Savage Peak, 1952 Print
    1951 Map of Savage Peak, 1952 Print
    1951 Savage Peak
    1952 Print · USGS
    The high-desert terrain along the Natrona and Carbon county line is captured here in the early fifties. You can trace the historic route of the Oregon Trail and locate landmarks like the Historical Marker and Savage Peak.
    3 unique versions available
  43. 1951 Map of Pine Mountain SW, 1952 Print
    1951 Map of Pine Mountain SW, 1952 Print
    1951 Pine Mountain SW
    1952 Print · USGS
    Natrona County was a landscape of remote ranching and emerging oil interests during the early fifties. Genealogists and historians can trace the specific locations of West Poison Spider Camp, Dodds Ranch, and the path of the Poison Spider Road.
    3 unique versions available
  46. 1951 Map of Oil Mountain, 1952 Print
    1951 Map of Oil Mountain, 1952 Print
    1951 Oil Mountain
    1952 Print · USGS
    Natrona County's rugged oil country and historic migration corridors are captured here just after mid-century. Researchers can trace the legendary Oregon Trail past an Oil Well (Inactive) and the waters of Poison Spider Creek.
    3 unique versions available
  49. 1951 Map of Clarkson Hill, 1952 Print
    1951 Map of Clarkson Hill, 1952 Print
    1951 Clarkson Hill
    1952 Print · USGS
    Central Wyoming's high plains are documented here in the early 1950s, showing the intersection of pioneer routes and modern energy infrastructure. You can trace the historic Oregon Trail past Clarkson Ranch and locate mid-century industrial markers like Willow Creek Pumping Sta No 7.
    3 unique versions available
  52. 1951 Map of Benton Basin SW, 1952 Print
    1951 Map of Benton Basin SW, 1952 Print
    1951 Benton Basin SW
    1952 Print · USGS
    Benton Basin and the northern reaches of the Pathfinder Reservoir are captured here in the early fifties. Researchers can trace the historical route of the Oregon Trail as it passes near a solitary Windmill and the Pipe Line Road.
    3 unique versions available
  55. 1951 Map of Emigrant Gap NW, 1952 Print
    1951 Map of Emigrant Gap NW, 1952 Print
    1951 Emigrant Gap NW
    1952 Print · USGS
    Natrona County's high plains are captured here in the early fifties, dominated by the ridge of Emigrant Gap Ridge. Trace local landmarks and water systems like the Casper Canal, Hot Springs, and the Box C Reservoir.
    3 unique versions available
  58. 1951 Map of Benton Basin, 1952 Print
    1951 Map of Benton Basin, 1952 Print
    1951 Benton Basin
    1952 Print · USGS
    The high basins and canyonlands of Natrona County are captured here in the early 1950s as the Missouri River Basin project reshaped the local landscape. Researchers can trace early ranching sites like the Childers Place and the emergence of the Casper Boat Club on the Alcova Reservoir.
    3 unique versions available
  61. 1951 Map of Poison Spider, 1952 Print
    1951 Map of Poison Spider, 1952 Print
    1951 Poison Spider
    1952 Print · USGS
    Natrona County's high plains reveal a landscape of energy extraction and ranching life in the early fifties. Local historians can trace the Poison Spider Oil Field and West Poison Spider Camp, alongside the Empire School and early family ranches.
    4 unique versions available
  64. 1951 Map of Bucklin Reservoirs, 1952 Print
    1951 Map of Bucklin Reservoirs, 1952 Print
    1951 Bucklin Reservoirs
    1952 Print · USGS
    Central Wyoming's high desert reveals its ranching and migration history in the early fifties, before modern developments altered the trail corridors. Genealogists and historians can trace the Oregon California Trail past the Turkey Track Ranch and Bucklin Reservoirs.
    3 unique versions available
  67. 1951 Map of Casper, 1952 Print
    1951 Map of Casper, 1952 Print
    1951 Casper
    1952 Print · USGS
    Casper at the midpoint of the century is a bustling energy and transit hub along the North Platte River. Genealogists and historians can locate family-owned holdings like C Y Ranch, industrial landmarks like the Oil Tank Farms, and local institutions including the State Childrens Home.
    2 unique versions available
  70. 1951 Map of Bessemer Mountain, 1952 Print
    1951 Map of Bessemer Mountain, 1952 Print
    1951 Bessemer Mountain
    1952 Print · USGS
    The North Platte River corridor south of Casper comes alive in the early fifties, showing a landscape of high-plains ranching and early irrigation. Researchers can locate the Oregon Trail Historical Marker, the Bates Creek School, and family operations like Spear Ranch.
    3 unique versions available
  73. 1951 Map of Bear Mountain, 1953 Print
    1951 Map of Bear Mountain, 1953 Print
    1951 Bear Mountain
    1953 Print · USGS
    The high plains of the Natrona and Carbon County line are captured here in the early fifties, showcasing a landscape of high summits and deep creek beds. Researchers can trace the drainages of Stinking Creek, Bear Creek, and the slopes of Bear Mountain.
    3 unique versions available
Showing maps 1-25 of 152

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