Old Maps of Cook County, Minnesota for Metal Detecting
Plan your next treasure hunt with 348 historic maps of Cook County. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.
- Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
- Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
- Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.
Use these historic maps to boost your research and find new opportunities beneath the surface of Cook County.
Cook County, MN maps
(348)- 1919 Map of Brule Lake
1919 Brule Lake1919 Print · USGSCook County at the close of the Great War was a wilderness of timber and water within the Superior National Forest. Researchers can trace early boundaries for Grand Marais and Lutsen or locate landmarks like Rosebush Hill and Brule Lake. - 1919 Map of Grand Marais, 1943 Print
1919 Grand Marais1943 Print · USGSThe North Shore of Lake Superior comes into focus in this early military survey of the Minnesota coast. Genealogists and maritime historians can trace the early layout of Grand Marais and locate coastal features like Good Harbor Bay and Terrace Pt. - 1919 Map of Lutsen, 1943 Print
1919 Lutsen1943 Print · USGSCoastal Cook County appears here as a series of isolated lakeside settlements and river mouths in the years following the Great War. Genealogists and North Shore historians can trace the early footprints of Lutsen and Lockport near the Poplar River and Black Point. - 1954 Map of Two Harbors, 1964 Print
1954 Two Harbors1964 Print · USGSThe Minnesota North Shore and Superior National Forest are shown here in the mid-fifties, just as the taconite industry was reshaping the coast. Genealogists and historians can trace the rail lines of the Duluth Missabe and Iron Range or locate remote outposts like Sawbill Landing and Section Thirty.2 unique versions available - 1955 Map of Tofte, 1957 Print
1955 Tofte1957 Print · USGSThe North Shore of Minnesota is captured here in the mid-fifties, centered on the lakeside settlement of Tofte. Researchers can trace early aviation and forestry sites like Gervais Landing Field, the Lookout Tower, and the prominent Carlton Peak.2 unique versions available - 1955 Map of Schroeder, 1957 Print
1955 Schroeder1957 Print · USGSThe North Shore in the mid-1950s shows a landscape in transition as the taconite industry moves toward the coast. Researchers can trace the Erie Mining Company Railroad line down to Taconite Harbor or locate family roots near Schroeder and the Cross River.2 unique versions available - 1955 Map of Tofte, 1957 Print
1955 Tofte1957 Print · USGSLake Superior's North Shore is captured here in the mid-fifties, just as heavy industry began reshaping the coastline. Trace the early footprints of Taconite Harbor, the Erie Mining Company Railroad, and landmarks like Carlton Peak.3 unique versions available - 1955 Map of Cramer, 1957 Print
1955 Cramer1957 Print · USGSThe North Shore backcountry of Lake and Cook counties is shown here in the mid-fifties, dominated by dense state and national forests. Researchers can trace the Minnesota and Northern Railroad line to Cramer or locate high-ground landmarks like the Wanless Lookout Tower.3 unique versions available - 1956 Map of Little Marais, 1958 Print
1956 Little Marais1958 Print · USGSThe North Shore's rugged transition from forest to lake is captured here in the mid-fifties, just as coastal infrastructure was modernizing. Trace the path of a highway Under Construction past Little Marais and the landmark Caribou Falls.3 unique versions available - 1956 Map of Finland, 1958 Print
1956 Finland1958 Print · USGSThe North Shore of Lake Superior is captured here in the mid-fifties, showing the rugged intersection of the Crystal Bay Finland State Forest and the lake. Researchers can trace the era's military footprint at the Finland Air Force Station or locate family roots near the Finland Cem and Cramer Homestead Lake.2 unique versions available - 1957 Map of Two Harbors
1957 Two Harbors1957 Print · USGSMinnesota's North Shore and the Arrowhead region are shown here in the mid-fifties as the taconite industry and cold war defense shaped the landscape. Researchers can trace the Duluth Missabe and Iron Range railroad, locate the Split Rock Light, and explore the iron-mining era at Taconite. - 1957 Map of Quetico, 1967 Print
1957 Quetico1967 Print · USGSThe Ontario-Minnesota borderlands are captured here in the mid-fifties, showing the vast wilderness of the Boundary Waters before modern development. Genealogists and researchers can trace rail settlements along the Canadian National Railways including Atikokan, Sapawe, and Kashabowie.2 unique versions available - 1958 Map of Two Harbors
1958 Two Harbors1958 Print · USGSThe North Shore and Arrowhead region of Minnesota are captured in the 1950s as iron ore shipping and wilderness preservation shaped the land. Researchers can trace the Duluth Missabe and Iron Range RR, find maritime landmarks like Split Rock Light, and locate remote settlements from Babbitt to Grand Marais. - 1958 Map of Deer Yard Lake, 1959 Print
1958 Deer Yard Lake1959 Print · USGSThe North Shore of Minnesota meets the forested interior of Cook County in the late fifties, showcasing the transition from deep woods to the lakefront. Trace the path of Route 61 as it passes Black Point and the Cascade Lookout Tower or explore the rugged drainage of Indian Camp Creek.3 unique versions available - 1958 Map of Good Harbor Bay, 1959 Print
1958 Good Harbor Bay1959 Print · USGSThe North Shore harbor of Grand Marais and the rugged shoreline of Lake Superior are captured here during the late fifties. Genealogists and local historians can locate the Poplar Grove Cem and the Town Hall, or trace the coastline around Terrace Point.4 unique versions available - 1958 Map of Hancock, 1967 Print
1958 Hancock1967 Print · USGSThe Keweenaw Peninsula and Isle Royale are seen here during the mid-twentieth century as mining and maritime hubs. Trace the dense town layouts of Hancock and Calumet, or locate remote coastal markers like the Eagle Harbor Lighthouse and Rock of Ages Light.2 unique versions available - 1959 Map of Lutsen, 1960 Print
1959 Lutsen1960 Print · USGSThe North Shore of Lake Superior comes alive in the late fifties, showing the coastal settlement of Lutsen as its recreation economy began to take shape. Researchers can trace the layout of early lakeside life through the Lutsen Cem, the Skiing Sta at Moose Mountain, and the winding course of the Poplar River.4 unique versions available - 1959 Map of Pigeon Point, 1961 Print
1959 Pigeon Point1961 Print · USGSThe tip of Northeast Minnesota meets the Canadian border in the late 1950s, showing a landscape of rocky peninsulas and island chains. You can trace the Pigeon River past Pigeon Falls and explore the remote islands of Susie and Lucille.3 unique versions available - 1959 Map of Northern Light Lake, 1961 Print
1959 Northern Light Lake1961 Print · USGSNorthern Minnesota's wilderness is preserved in this late-fifties survey of Cook County's intricate waterways. Researchers can trace the winding Brule River and locate remote timber-era landmarks like Section Ten Lake and Redcoat Lake.4 unique versions available - 1959 Map of Pine Mountain, 1961 Print
1959 Pine Mountain1961 Print · USGSCook County's wilderness interior is captured here in the late fifties, showing the legendary Gunflint Trail winding through a network of lakes. Search for historic sites like Gunflint Camp and the remote Lookout Tower overlooking Pine Mountain.3 unique versions available - 1959 Map of Mineral Center, 1961 Print
1959 Mineral Center1961 Print · USGSCook County's rugged Arrowhead region is captured here in the late fifties, where the international border meets the Lake Superior coast. Trace the early layout of Mineral Center and Red Rock, or locate historic landmarks like Partridge Falls and Mt Sophie.4 unique versions available - 1959 Map of Pine Lake East, 1961 Print
1959 Pine Lake East1961 Print · USGSNortheastern Cook County and the Canadian border are documented in the late fifties, showcasing the intricate water systems of the Arrowhead. Researchers can trace the Grand Portage terrain and wilderness landmarks like McFarland Lake, Devilfish Lake, and South Fowl Lake.4 unique versions available - 1959 Map of Lima Mountain, 1961 Print
1959 Lima Mountain1961 Print · USGSNortheastern Minnesota's high wilderness is captured here in the late fifties, showcasing the intricate glacial lakes of the Superior National Forest. Researchers can trace the path of the Old Railroad Grade and locate the Lookout Tower atop Lima Mountain.3 unique versions available - 1959 Map of Munker Island, 1962 Print
1959 Munker Island1962 Print · USGSThe wilderness of the Boundary Waters comes to life in this late 1950s survey of the Minnesota-Ontario border. Trace the end of the Gunflint Trail at Trails End and explore the island chains of Saganaga Lake and Sea Gull Lake.4 unique versions available - 1959 Map of Conners Island, 1962 Print
1959 Conners Island1962 Print · USGSThe Boundary Waters wilderness at the end of the fifties comes alive in this survey of the international border between Minnesota and Ontario. Trace historic canoe routes and portages including the Gneiss Lake Portage, Island Pine Portage, and the rapids of the Granite River.3 unique versions available
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