Old Maps of Lemhi County, Idaho for Genealogy
Trace your family roots with 825 historic maps of Lemhi County. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.
- Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
- Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
- Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.
These maps are an incredible resource for exploring your personal connection to Lemhi County's past.
Lemhi County, ID maps
(825)- 1930 Map of Casto
1930 Casto1930 Print · USGSCentral Idaho’s rugged backcountry in the late 1920s was a land of isolated mines and family ranches. Genealogists and historians can trace high-altitude mining at the Lost Packer Mine or locate early homesteads like Falconberry Ranch and Mormon Ranch.2 unique versions available - 1935 Map of Borah Peak, 1959 Print
1935 Borah Peak1959 Print · USGSCuster and Lemhi counties are shown during the mid-1930s, centering on the high peaks of the Lost River Range and the cattle country of the river valleys. Researchers can locate remote schools and stations such as Goldburg School, Dickey, and the Mahogany Ranger Station. - 1938 Map of Borah Peak
1938 Borah Peak1938 Print · USGSCuster County ranching and high-mountain wilderness are captured here in the late 1930s, showing the early infrastructure of the Lost River Range. Genealogists and historians can trace isolated homesteads and rural landmarks like Goldburg School, Chilly, and the Pahsimeroi Ranger Station.2 unique versions available - 1950 Map of Blackbird Mtn, 1960 Print
1950 Blackbird Mtn1960 Print · USGSSalmon National Forest in the early fifties reveals a landscape of remote mining operations and high-country lookouts. Trace the history of mineral extraction at the Blackbird Mine or Cobalt Mine, and locate isolated outposts like Forney or Miller Ranch.3 unique versions available - 1950 Map of Salmon, 1962 Print
1950 Salmon1962 Print · USGSSalmon and the surrounding river valleys are captured here in the early 1950s, showing a landscape defined by mining, ranching, and mountain aviation. Researchers can trace historic claims like the Queen of the Hills Mine or find local landmarks such as the Geertson Creek Sch and Williams Lake.3 unique versions available - 1950 Map of Leesburg, 1967 Print
1950 Leesburg1967 Print · USGSThe Salmon River Mountains in the mid-twentieth century reveal a landscape shaped by mineral extraction and forest management. Genealogists and historians can trace old claims like the Italian Mine, remote outposts at Leacock Ranch, and the Blackbird Townsite.2 unique versions available - 1951 Map of Leesburg
1951 Leesburg1951 Print · USGSThe Salmon River Mountains are mapped here in the early fifties, detailing a storied mining landscape. Genealogists and researchers can trace old operations at the Blackbird Townsite and family outposts like Leacock Ranch or the Peterson Ranch. - 1951 Map of Blackbird Mtn
1951 Blackbird Mtn1951 Print · USGSSalmon National Forest in the early fifties shows a remote landscape defined by its mining economy and mountain ranching. Researchers can trace the locations of the Blackbird Mine, Cobalt Mine, and family sites like Miller Ranch and Degan Ranch.2 unique versions available - 1951 Map of Salmon
1951 Salmon1951 Print · USGSSalmon, Idaho, sits at the heart of the Lemhi Valley in the early fifties, where the river-fed agricultural lands meet the mining-rich Bitterroot and Salmon River Mountains. Genealogists and historians can trace old homesteads like Lake Creek Ranch, find the Geertson Creek Sch, or locate historic workings such as the Queen of the Hills Mine. - 1955 Map of Dubois
1955 Dubois1955 Print · USGSThe high desert and mountain passes of eastern Idaho and western Montana are captured here during the mid-fifties. Researchers can trace the Union Pacific rail line through Dubois or locate the National Reactor Testing Station.4 unique versions available - 1955 Map of Dillon, 1978 Print
1955 Dillon1978 Print · USGSSouthwest Montana at the dawn of the interstate era reveals a landscape of high-mountain ranching and historic mining camps. Trace the routes of the Union Pacific through Dillon and Armstead, or locate early settlements like Bannack and Wisdom.2 unique versions available - 1956 Map of Leadore, 1958 Print
1956 Leadore1958 Print · USGSLemhi County in the mid-1950s shows a high-altitude ranching and mining landscape at the foot of the Salmon National Forest. Genealogists and historians can trace the Union Pacific Railroad lines, locate the McRea Cem, and find remote mountain markers like Sheephorn Peak.2 unique versions available - 1956 Map of Morrison Lake, 1958 Print
1956 Morrison Lake1958 Print · USGSThe high Lemhi Valley and the Bitterroot Range come into focus during the mid-fifties, mapping the remote border between Idaho and Montana. Researchers can trace early mountain access via the Continental Divide Trail and locate sites like Gilmore and the Shaft near the headwaters of Medicine Lodge Creek.3 unique versions available - 1956 Map of Patterson, 1959 Print
1956 Patterson1959 Print · USGSThe Pahsimeroi and Lemhi valleys come into focus during the mid-1950s, showing a landscape of high-mountain mining and ranching. Researchers can trace the layout of the Patterson settlement, the Ima Mine, and irrigation works like Ferry Ditch.2 unique versions available - 1956 Map of Donkey Hills, 1959 Print
1956 Donkey Hills1959 Print · USGSThe Pahsimeroi Valley ranching country comes into focus in the mid-fifties as it sits between the high Lemhi and Lost River ranges. Local researchers can trace the old Goldburg settlement and Goldburg Sch alongside family homesteads like Lone Pine Ranch.2 unique versions available - 1956 Map of Nicholia, 1959 Print
1956 Nicholia1959 Print · USGSIn the mid-1950s, the Lemhi Valley landscape preserved the physical remnants of earlier mining and transport. You can trace the Old RR Grade across the flats and locate historic points like Hahn (Site), the Nicholia settlement, and various kilns.3 unique versions available - 1956 Map of Doublespring, 1959 Print
1956 Doublespring1959 Print · USGSThe high Pahsimeroi Valley and its surrounding peaks appear here in the mid-1950s, a landscape defined by ranching and high-altitude wilderness. Locate the Doublespring Ranch and trace rugged tracks to Grouse Creek Lake or Carlson Lake.2 unique versions available - 1956 Map of May, 1959 Print
1956 May1959 Print · USGSThe Pahsimeroi Valley of the mid-1950s is captured here as a remote ranching hub between the Lemhi and Lost River ranges. Researchers can trace the small settlement at May, its local Cemetery, and the Landing Strip serving this high-mountain basin.2 unique versions available - 1956 Map of Goldstone Mtn, 1960 Print
1956 Goldstone Mtn1960 Print · USGSThe Lemhi Valley and Continental Divide high country are captured here during the mid-fifties as mining and ranching shaped the Idaho-Montana border. Genealogists and researchers can trace local landmarks like the Sandy Creek School, the Goldstone Mine, and the settlement of Baker.2 unique versions available - 1956 Map of Challis, 1960 Print
1956 Challis1960 Print · USGSThe Salmon River valley comes into focus during the mid-1950s, showing the settlement of Challis and its vital mountain infrastructure. Researchers can trace local landmarks like Beardsley Hot Springs, the Challis Airfield, and family-named routes such as Burstadt Lane.2 unique versions available - 1956 Map of Twin Peaks, 1960 Print
1956 Twin Peaks1960 Print · USGSCuster and Lemhi counties are captured in the mid-1950s, a period defined by high-country lookouts and primitive backcountry trails. Researchers can trace historic access points and water resources like White Goat Lookout, Mosquito Flat Reservoir, and the prospects near Big Hill Gulch.2 unique versions available - 1956 Map of Lemhi, 1960 Print
1956 Lemhi1960 Print · USGSThe Lemhi River valley was a site of significant mid-century activity, from the cattle country near Tendoy to the high timber of the Salmon National Forest. Genealogists and historians can locate family landmarks like the Sacajawea Monument, the Fish Hatchery, and a lone grave near Agency Creek.3 unique versions available - 1956 Map of Elk City, 1963 Print
1956 Elk City1963 Print · USGSThe Idaho backcountry in the mid-fifties remains a landscape of isolated mining camps and remote forest outposts. Researchers can trace historical mining operations at Stibnite Mine and Blackbird Mine or locate riverside landmarks like Mackay Bar and Campbell's Ferry.3 unique versions available - 1957 Map of Dillon
1957 Dillon1957 Print · USGSSouthwest Montana and Idaho in the mid-fifties reveal a high-country landscape of mountain ranges and ranching valleys. Genealogists can trace family holdings and rail stops along the Union Pacific Railroad, from Dillon to historic Virginia City and Twin Bridges. - 1957 Map of Diamond Peak, 1958 Print
1957 Diamond Peak1958 Print · USGSThe high Lemhi Range of the late fifties reveals a landscape defined by mining prospects and mountain hydrology. Genealogists and historians can trace early activity at Clyde, locate the Badger Mine, or identify family-named landmarks like Foss Mountain.3 unique versions available
Showing maps 1-25 of 825
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