1900s (20th Century) Maps of Gem County, Idaho

Explore 32 historic maps of Gem 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 Gem 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 Gem County's history through authentic maps from the 1900s. This is your window into the past.


Gem County, ID maps

(32)
  1. 1911 Map of Meadows
    1911 Map of Meadows
    1911 Meadows
    1911 Print · USGS
    The high meadows and river valleys of central Idaho are seen here during the early years of the national forest system. Genealogists and historians can locate remote settlements like Lardo and Crawford, or trace rural schoolhouses including Hayes School and Rutledge School.
    2 unique versions available

  2. 1953 Map of Smiths Ferry, 1955 Print
    1953 Map of Smiths Ferry, 1955 Print
    1953 Smiths Ferry
    1955 Print · USGS
    The Payette River valley in the early fifties was a landscape of remote rail stops and mountain lookouts. Genealogists can trace rural school locations like Lower Alpha School (Aban'd) or follow the UNION PACIFIC line through Smiths Ferry.
    3 unique versions available

  3. 1953 Map of Banks, 1955 Print
    1953 Map of Banks, 1955 Print
    1953 Banks
    1955 Print · USGS
    The confluence of the Payette River forks defines this mid-century survey of Boise and Valley counties. Genealogists can trace the rural mountain life of the early fifties through the High Valley Sch (Aband), Pinehurst Church, and the settlement of Banks.
    3 unique versions available

  4. 1953 Map of Montour, 1956 Print
    1953 Map of Montour, 1956 Print
    1953 Montour
    1956 Print · USGS
    The Payette River valley in the early fifties shows a landscape of reclamation and resource extraction. Researchers can trace the rail corridor of the Union Pacific or locate early mining sites like the Gem State Mine and the Sweet Cemetery.
    3 unique versions available

  5. 1954 Map of Cascade, 1956 Print
    1954 Map of Cascade, 1956 Print
    1954 Cascade
    1956 Print · USGS
    The High Valley of the Payette River is captured here in the mid-fifties as the new reservoir redefines the landscape. Genealogists and historians can locate early settlements like Roseberry and Donnelly, the Hopps Cemetery, and high-country landmarks like Mica Mine.
    2 unique versions available

  6. 1955 Map of Baker, 1964 Print
    1955 Map of Baker, 1964 Print
    1955 Baker
    1964 Print · USGS
    The Oregon-Idaho borderlands are captured here in the mid-fifties as the Snake River underwent massive changes from dam construction. Trace the Oregon Trail Memorial Monument near Baker, find early mines like Virtue Mine, and follow the Union Pacific Railroad through Huntington.
    4 unique versions available

  7. 1955 Map of Boise, 1977 Print
    1955 Map of Boise, 1977 Print
    1955 Boise
    1977 Print · USGS
    The Treasure Valley and Owyhee uplands are shown in detail during the mid-fifties, capturing the region's transition into a major agricultural and urban hub. Researchers can trace the Union Pacific line through Nampa, explore the volcanic Jordan Craters, or locate the historic mining district of Silver City.

  8. 1958 Map of Boise
    1958 Map of Boise
    1958 Boise
    1958 Print · USGS
    The Treasure Valley and Snake River Plain come alive in the mid-fifties as the rail-and-river economy transitions into a modern agricultural hub. Trace the Union Pacific lines through Nampa or locate remote landmarks like Initial Point and the Rockville settlement.
    2 unique versions available

  9. 1959 Map of Baker
    1959 Map of Baker
    1959 Baker
    1959 Print · USGS
    The Oregon and Idaho borderlands come alive in the late fifties, showing the rugged corridor along the Snake River and the high peaks of the Wallowa Mountains. Researchers can trace the legacy of the Union Pacific railroad or locate historic mining sites like the Flagstaff Mine and Virtue Mine.
    2 unique versions available

  10. 1962 Map of Boise
    1962 Map of Boise
    1962 Boise
    1962 Print · USGS
    The Treasure Valley at the start of the sixties reveals a landscape of expanding towns and complex irrigation networks along the Snake River. Genealogists and historians can trace the foundations of modern Idaho through markers like Initial Point, the mining history of Silver City, and the early infrastructure of Lucky Peak Dam.

  11. 1970 Map of Dodson Pass, 1973 Print
    1970 Map of Dodson Pass, 1973 Print
    1970 Dodson Pass
    1973 Print · USGS
    The Gem and Washington county line in the early 1970s is a landscape of remote forest outposts and high-mountain passes. Trace old wilderness access routes to Third Fork Guard Station, Dodson Pass, and the waters of Beech Lake.

  12. 1970 Map of Hog Cove Butte, 1973 Print
    1970 Map of Hog Cove Butte, 1973 Print
    1970 Hog Cove Butte
    1973 Print · USGS
    The high-desert ranchlands of Payette and Gem counties are captured here just as modern aerial surveying began to document the landscape in the late sixties. Researchers can trace historic water routes and stock points like French Corner, Raymer Spring, and the Flume.

  13. 1970 Map of Squaw Butte, 1973 Print
    1970 Map of Squaw Butte, 1973 Print
    1970 Squaw Butte
    1973 Print · USGS
    The high desert terrain of Gem and Payette counties is captured here during the 1970s, showcasing a landscape of ranching drainages and remote peaks. Trace the intricate network of water rights and range access through features like Bissel Creek, Squaw Butte, and the Gaging Station on Big Willow Creek.

  14. 1970 Map of Coonrod Gulch, 1973 Print
    1970 Map of Coonrod Gulch, 1973 Print
    1970 Coonrod Gulch
    1973 Print · USGS
    Southwestern Idaho ranching country is captured here in the early seventies, where Washington, Payette, and Gem counties meet. Trace the remote Butte Ranch and the network of high-country water sources like Mossman Spring and French Spring.

  15. 1970 Map of Southwest Emmett, 1973 Print
    1970 Map of Southwest Emmett, 1973 Print
    1970 Southwest Emmett
    1973 Print · USGS
    The Emmett Valley was a complex landscape of irrigation and industry in the early seventies, defined by the Payette River and its many canals. Researchers can trace rural school districts like Vanderdasson School or locate the historic Del Monte and Cold House sites along the Union Pacific tracks.

  16. 1970 Map of Ola, 1974 Print
    1970 Map of Ola, 1974 Print
    1970 Ola
    1974 Print · USGS
    The small settlement of Ola is documented in the 1970s, positioned at the scenic confluence of Squaw Creek and Ola Creek. Local historians can trace the early community via the Cem, the Roadside Rest, and the rugged Jeep Trail winding through the Boise National Forest.

  17. 1970 Map of Sand Hollow, 1974 Print
    1970 Map of Sand Hollow, 1974 Print
    1970 Sand Hollow
    1974 Print · USGS
    The Emmett Valley irrigation network is in full operation by the 1970s, showcasing the massive engineering used to water the Idaho desert. Researchers can trace the Union Pacific corridor near Amsco, locate the rural Cemetery, and follow the path of the Black Canyon Canal.

  18. 1970 Map of Webb Creek, 1974 Print
    1970 Map of Webb Creek, 1974 Print
    1970 Webb Creek
    1974 Print · USGS
    The Gem and Boise County line comes alive in the early seventies, showing a high-country landscape shaped by water and early industry. Trace the primitive Saddler Trail or locate mining history at the Liberty Mine and Timber Butte.

  19. 1970 Map of Twin Sisters, 1974 Print
    1970 Map of Twin Sisters, 1974 Print
    1970 Twin Sisters
    1974 Print · USGS
    The high backcountry of the Adams County area is captured here during the 1970s at the meeting point of two national forests. Trace remote routes through Mill Creek Summit or follow the deep drainages of Carson Gulch and Lava Gulch.

  20. 1971 Map of Letha, 1973 Print
    1971 Map of Letha, 1973 Print
    1971 Letha
    1973 Print · USGS
    The Lower Payette Valley in the early seventies shows a complex network of irrigation and rail infrastructure supporting small Idaho river communities. Genealogists and local historians can locate Letha, trace the Union Pacific line, and find family-named sites like Falk Cem and Cooper School.

  21. 1971 Map of Northwest Emmett, 1973 Print
    1971 Map of Northwest Emmett, 1973 Print
    1971 Northwest Emmett
    1973 Print · USGS
    The Payette River valley in the early seventies shows a landscape shaped by irrigation and rail. Genealogists and historians can trace rural roots at Brick Sch, Central Mesa Sch, and the Emmett Cem along the Union Pacific line.

  22. 1980 Map of McCall, 1993 Print
    1980 Map of McCall, 1993 Print
    1980 McCall
    1993 Print · USGS
    The high timber country and glacial lakes of the West Mountains are documented here in the early eighties. Genealogists and local historians can trace the Union Pacific rail line and family-linked sites like Roseberry, Starkey, and the North Hornet Mine.
    2 unique versions available

  23. 1980 Map of Weiser, 1993 Print
    1980 Map of Weiser, 1993 Print
    1980 Weiser
    1993 Print · USGS
    The Snake River valley and the foothills of the Boise Mountains are captured here in the 1980s, showing the vital rail and water infrastructure of the region. Researchers can trace the Union Pacific line through Payette or locate rural landmarks like Hog Cove Butte and Wilburn Butte.

  24. 1981 Map of Boise
    1981 Map of Boise
    1981 Boise
    1981 Print · USGS
    The Boise River valley and Treasure Plain are captured here in the early eighties as urban expansion began to link the regional hubs of the Snake River plain. Researchers can trace the development of Nampa, Caldwell, and Meridian or locate landmarks like Lake Lowell and Eagle Island State Park.
    2 unique versions available

  25. 1985 Map of Sage Hen Reservoir, 1986 Print
    1985 Map of Sage Hen Reservoir, 1986 Print
    1985 Sage Hen Reservoir
    1986 Print · USGS
    The Boise National Forest highlands are captured here in the early 1980s, centered on the Sage Hen Reservoir. Researchers can trace old forest boundaries and topographic landmarks like Tripod Summit, Timber Flat, and Antelope Swale.

Showing maps 1-25 of 32

Top cities of Gem County


Frequently asked questions

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