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

Explore 104 historic maps of Platte 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 Platte 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 Platte County's history through authentic maps from the 1900s. This is your window into the past.

Platte County, WY maps

(104)
  1. 1901 Map of Hartville
    1901 Map of Hartville
    1901 Hartville
    1901 Print · USGS
    Eastern Wyoming at the turn of the century reveals a landscape defined by the arrival of the rails and the legacy of the frontier. Genealogists can trace family ranching sites like Dotys Ranch or early towns such as Hartville and Fort Laramie.
    2 unique versions available
  4. 1943 Map of Esterbrook, 1963 Print
    1943 Map of Esterbrook, 1963 Print
    1943 Esterbrook
    1963 Print · USGS
    The Laramie Range high country comes into focus in the early 1940s, showing a landscape of remote mountain ranches and forest lookouts. Researchers can trace historic family holdings like La Bonte Ranch and find small rural schoolhouses such as Morton Sch and Hanks Sch.
  7. 1945 Map of Esterbrook
    1945 Map of Esterbrook
    1945 Esterbrook
    1945 Print · USGS
    The Converse and Albany county line in the 1940s reveals a high-plains landscape of remote mountain schools and family ranches. Genealogists can locate family landmarks like La Bonte Ranch and Morton Sch or trace the old Horseshoe Trail.
    2 unique versions available
  10. 1949 Map of Cedar Top, 1963 Print
    1949 Map of Cedar Top, 1963 Print
    1949 Cedar Top
    1963 Print · USGS
    The Platte and Niobrara county line runs through this Wyoming landscape in the late 1940s. Local history researchers can trace landmarks like the Spanish Diggings, Sheep Mountain, and the unique Spouting Spring.
    2 unique versions available
  13. 1949 Map of Cedar Hill, 1967 Print
    1949 Map of Cedar Hill, 1967 Print
    1949 Cedar Hill
    1967 Print · USGS
    Ranching life on the Converse and Platte county line is documented here during the late 1940s, showing a landscape defined by water and wind. Researchers can trace the heritage of the Fitzhugh Ranch or locate water sources like Bog Hole Springs and North Elkhorn Creek.
    2 unique versions available
  16. 1949 Map of Spring Creek, 1970 Print
    1949 Map of Spring Creek, 1970 Print
    1949 Spring Creek
    1970 Print · USGS
    In the late 1940s, this Wyoming ranching landscape relied on a critical network of water management and seasonal drainages. Researchers can trace the early irrigation patterns of Horseshoe Creek and locate family-named landmarks like Pollard Hill and Reeder Draw.
    2 unique versions available
  19. 1949 Map of Dilts Ranch, 1975 Print
    1949 Map of Dilts Ranch, 1975 Print
    1949 Dilts Ranch
    1975 Print · USGS
    Central Wyoming ranching country is documented here just after the war, where the historic Emigrant Trail crosses the high plains. Researchers can trace the wagon route past the Oregon Trail Monument or locate early family holdings like Dilts Ranch and Elkhorn Ranch.
  22. 1950 Map of Glendo
    1950 Map of Glendo
    1950 Glendo
    1950 Print · USGS
    The high plains of eastern Wyoming are captured here in the post-war era as the rail-and-river economy centered on the North Platte River matured. Genealogists and historians can trace the early layout of Glendo and locate vanished siding stops like Bona along the Chicago Burlington and Quincy tracks.
  25. 1950 Map of Spring Creek
    1950 Map of Spring Creek
    1950 Spring Creek
    1950 Print · USGS
    Platte County ranching country is captured here at mid-century during the Missouri River Basin development project. Genealogists and historians can trace old water rights and livestock improvements along Horseshoe Creek, Whiskey Gulch, and several Windmill sites.
  28. 1950 Map of Cedar Top
    1950 Map of Cedar Top
    1950 Cedar Top
    1950 Print · USGS
    The high plains of eastern Wyoming are captured here at mid-century, straddling the border of Niobrara and Platte counties. Researchers can trace the ranching landscape through landmarks like Spanish Diggings and the elevations of Sheep Mountain and Horse Tooth.
  31. 1950 Map of Jewel Springs
    1950 Map of Jewel Springs
    1950 Jewel Springs
    1950 Print · USGS
    The high plains of eastern Wyoming are captured here in the mid-century, where the North Platte River meets a rugged landscape of ranching and conservation. Researchers can locate numerous family-named landmarks and water sources like Jewel Springs, Buck Spring, and the Haystack Mountain State Game Preserve.
  34. 1950 Map of Dilts Ranch
    1950 Map of Dilts Ranch
    1950 Dilts Ranch
    1950 Print · USGS
    The Converse and Platte County line at the mid-century reveals a ranching landscape still defined by pioneer history. Genealogists and historians can trace the Old Oregon Trail past the Oregon Trail Monument and locate family holdings like Dilts Ranch.
  37. 1950 Map of Guernsey, 1952 Print
    1950 Map of Guernsey, 1952 Print
    1950 Guernsey
    1952 Print · USGS
    The mining and ranching corridors of Platte County come to life in the mid-century, showing the industrial pulse of the Sunrise and Hartville districts. Trace the physical legacy of the Oregon Trail alongside active rail lines and mines like the Chicago Mine.
    4 unique versions available
  40. 1950 Map of Coleman Butte, 1963 Print
    1950 Map of Coleman Butte, 1963 Print
    1950 Coleman Butte
    1963 Print · USGS
    Mid-century ranching life in Platte County centers on family-held lands and high plains landmarks like Coleman Butte. Genealogists can trace localized social hubs and homesteads such as the Cottonwood Community Hall, Harry Coleman Ranch, and Willadsen Ranch.
    3 unique versions available
  43. 1950 Map of Herman Ranch, 1973 Print
    1950 Map of Herman Ranch, 1973 Print
    1950 Herman Ranch
    1973 Print · USGS
    Platte County ranching and the path of the pioneers meet in this mid-century survey of the Wyoming landscape. Genealogists and historians can trace the Emigrant Trail across the hills, locating an Oregon Trail Marker and family sites like Herman Ranch.
    3 unique versions available
  46. 1950 Map of Register Cliff, 1975 Print
    1950 Map of Register Cliff, 1975 Print
    1950 Register Cliff
    1975 Print · USGS
    The North Platte and Laramie rivers converge here during the mid-twentieth century, an area deeply layered with frontier history and irrigation infrastructure. Researchers can trace the path of the Oregon Trail past the Register Cliff Monument (Historical), the Pony Express Sta, and the Old Guernsey Ranch.
    2 unique versions available
  49. 1950 Map of Haushar Ranch, 1976 Print
    1950 Map of Haushar Ranch, 1976 Print
    1950 Haushar Ranch
    1976 Print · USGS
    Platte County ranching life is preserved here at mid-century, documenting the family-named spreads and schools that anchored this high-plains landscape. Trace the history of local education at Canyon View School or locate the historic sites of McNutt Ranch and Haushar Ranch.
    2 unique versions available
  52. 1950 Map of Hell Gap, 1976 Print
    1950 Map of Hell Gap, 1976 Print
    1950 Hell Gap
    1976 Print · USGS
    The high plains of Platte and Goshen counties come into focus during the early fifties, showing a land of remote ranches and early industrial infrastructure. Trace family names and local landmarks like the Old 4J Ranch, Muthart Place, and the Patten Creek Sch (Aband).
    3 unique versions available
  55. 1950 Map of Guernsey Reservoir, 1978 Print
    1950 Map of Guernsey Reservoir, 1978 Print
    1950 Guernsey Reservoir
    1978 Print · USGS
    Mid-century Platte County reveals the intersection of pioneer migration and modern reclamation projects along the North Platte. Researchers can trace the Emigrant Trail past local landmarks like Frederick Ranch and the Lucindy Rollins Grave.
    2 unique versions available
  58. 1950 Map of Cottonwood Falls, 1982 Print
    1950 Map of Cottonwood Falls, 1982 Print
    1950 Cottonwood Falls
    1982 Print · USGS
    The high plains of Platte County meet the timbered edge of the Medicine Bow National Forest in this mid-century survey. Genealogists and historians can trace local water rights and landmarks such as Cottonwood Falls, Matilda Creek, and the route of Fletcher Park Road.
    2 unique versions available
  61. 1951 Map of Coleman Butte
    1951 Map of Coleman Butte
    1951 Coleman Butte
    1951 Print · USGS
    Platte County ranching life is captured here in the early fifties, showcasing a landscape of family-owned spreads and community hubs. Trace local genealogy and land use at the Cottonwood Community Hall or across the H B Coleman Ranch and Willadsen Ranch.
  64. 1951 Map of Sibley Peak
    1951 Map of Sibley Peak
    1951 Sibley Peak
    1951 Print · USGS
    The high plains of Platte County come into focus during the early fifties, showing a landscape defined by ranching and historic trails. Researchers can locate the Oregon Trail Marker, follow the Chicago Burlington and Quincy RR, and trace water sources like Downey Reservoir Number One.
  67. 1951 Map of Haushar Ranch
    1951 Map of Haushar Ranch
    1951 Haushar Ranch
    1951 Print · USGS
    The ranching landscape of Platte County comes to life in the early fifties, documenting a time of rural transition in the Missouri River Basin. Genealogists can locate family holdings like Haushar Ranch and Osborn Ranch or find the former Canyon View School.
  70. 1951 Map of Cedar Hill
    1951 Map of Cedar Hill
    1951 Cedar Hill
    1951 Print · USGS
    The Wyoming ranching country along the Platte and Converse county line is captured here in the early fifties. Genealogists and local historians can trace family landholdings such as Stirrup Ranch and Elkhorn Ranch or locate Bog Hole Springs.
  73. 1951 Map of Guernsey Reservoir
    1951 Map of Guernsey Reservoir
    1951 Guernsey Reservoir
    1951 Print · USGS
    The Platte River valley in the early fifties shows a landscape shaped by both the Oregon Trail's legacy and modern hydro-development. Genealogists and historians can trace the Lucinda Rollins Grave, several Oregon Trail Marker sites, and early ranching outposts like Wendover Bend Ranch.
Showing maps 1-25 of 104

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