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Old Maps of Portage Township, Michigan

Explore 73 old maps of Portage Township, spanning from 1915 to today. These high-resolution historic maps reveal how streets, neighborhoods, landmarks, and natural features evolved over time — perfect for genealogy, metal detecting, research, and local history exploration.

What you can do with these maps:

  • See how Portage Township changed over time: Compare historical maps to modern-day views to trace roads, homesites, rail lines & more.
  • View detailed metadata: Each map includes creators, publishers, year, scale, and archive source.
  • Overlay maps with satellite & LiDAR: Visualize the past alongside modern tools to explore terrain & human change.
  • Trusted historical sources: Maps sourced from the USGS, Library of Congress, and other archives.
  • Access maps your way: View online, download high-res files, or order prints for personal or research use.

Start exploring old maps of Portage Township to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Portage Township, MI maps

(73)
  1. 1915 Map of Houghton
    1915 Map of Houghton
    1915 Houghton
    1915 Print · USGS
    The Keweenaw copper boom is in full swing on this map of the Upper Peninsula at the height of its industrial power. Genealogists can trace family roots through company towns like Atlantic Mine, South Range, and Baltic while following the path of the Copper Range RR.
    4 unique versions available
  4. 1946 Map of Chassell, 1966 Print
    1946 Map of Chassell, 1966 Print
    1946 Chassell
    1966 Print · USGS
    The Copper Country of Michigan's Upper Peninsula comes to life in this mid-century survey of the port towns and mining districts along the Keweenaw. Genealogists and industrial historians can trace the Isle Royale Mine, the campus of the Michigan College of Mining and Technology, and small-town roots in Dodgeville or Atlantic Mine.
    2 unique versions available
  7. 1946 Map of South Range, 1966 Print
    1946 Map of South Range, 1966 Print
    1946 South Range
    1966 Print · USGS
    Houghton County’s copper mining district is captured here just after the war, showing the tight-knit company towns and rail lines of the Keweenaw. Genealogists and industrial historians can trace the footprint of Painesdale, the Atlantic Mine, and the Copper Range railroad.
    3 unique versions available
  10. 1948 Map of South Range
    1948 Map of South Range
    1948 South Range
    1948 Print · USGS
    The Michigan Copper Country is captured here during the late 1940s, highlighting the industrial corridor from Atlantic Mine south through Painesdale. Genealogists and historians can trace the precise layouts of mining locations such as Baltic and Trimountain, as well as the COPPER RANGE rail network.
    2 unique versions available
  13. 1948 Map of Chassell
    1948 Map of Chassell
    1948 Chassell
    1948 Print · USGS
    The copper mining heart of the Keweenaw Peninsula is shown here during its mid-century industrial peak. Researchers can trace the rail lines of the Copper Range and locate old mining operations like the Isle Royale Mine and Old Superior Mine.
    2 unique versions available
  16. 1954 Map of Point Mills, 1956 Print
    1954 Map of Point Mills, 1956 Print
    1954 Point Mills
    1956 Print · USGS
    The Keweenaw Peninsula’s copper country is captured here in the mid-fifties, showing the vital rail and water networks of the era. Genealogists and historians can trace the foundations of local life through the Jacobsville Cem, Sarazin Sch, and the settlements at Dollar Bay and Lahti.
    3 unique versions available
  19. 1954 Map of Pelkie, 1956 Print
    1954 Map of Pelkie, 1956 Print
    1954 Pelkie
    1956 Print · USGS
    The Baraga County backcountry and Finnish farming settlements of the mid-1950s are preserved here in striking detail. Researchers can trace family roots through sites like Elo Cem and Pelkie Cem or locate old community landmarks like Limestone Mountain.
    3 unique versions available
  22. 1954 Map of Winona, 1956 Print
    1954 Map of Winona, 1956 Print
    1954 Winona
    1956 Print · USGS
    In the mid-1950s, the Copper Country south of Houghton was a landscape of industrial mines and deep forests. Genealogists and historians can trace the foundations of Winona, locate the Winona Mine, and find rural landmarks like the Misery Bay Sch and Simar Landing Field.
    3 unique versions available
  25. 1954 Map of Houghton, 1959 Print
    1954 Map of Houghton, 1959 Print
    1954 Houghton
    1959 Print · USGS
    The Keweenaw Peninsula copper mining district is shown here at mid-century, centering on the twin cities of Hancock and Houghton. Genealogists and industrial historians can trace the rail lines of the Duluth South Shore and Atlantic Railroad to legacy sites like Champion Mine, Mill Mine Junction, and Pewabic.
    2 unique versions available
  28. 1958 Map of Hancock, 1967 Print
    1958 Map of Hancock, 1967 Print
    1958 Hancock
    1967 Print · USGS
    The 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
  31. 1958 Map of Iron River, 1968 Print
    1958 Map of Iron River, 1968 Print
    1958 Iron River
    1968 Print · USGS
    The Upper Peninsula in the late fifties is captured here as a landscape of timber, iron, and rail. Genealogists and historians can trace rail stops like Mass Station or explore the coastlines of Lake Gogebic and Keweenaw Bay.
    3 unique versions available
  34. 1960 Map of Iron River
    1960 Map of Iron River
    1960 Iron River
    1960 Print · USGS
    The Upper Peninsula’s western reaches are shown in the late fifties, featuring the industrial infrastructure of the Copper Country and the vast Ottawa National Forest. Researchers can trace the rail lines of the Milwaukee Road through settlements like Bruce Crossing and the White Pine Mine.
  37. 1960 Map of Hancock
    1960 Map of Hancock
    1960 Hancock
    1960 Print · USGS
    The Keweenaw Peninsula and Isle Royale are captured in detail during the late 1950s. Researchers can trace copper-mining era settlements like Calumet and Laurium, or locate remote maritime landmarks such as the Isle Royale Lighthouse.
  40. 1961 Map of Iron River
    1961 Map of Iron River
    1961 Iron River
    1961 Print · USGS
    The Upper Peninsula and northern Wisconsin are shown here in the early 1960s, a landscape defined by the iron range and vast timberlands. Researchers can trace the legacy of mining and rail transport through Caspian, the Lac Du Flambeau Indian Reservation, and the Milwaukee Road.
  43. 1961 Map of Hancock
    1961 Map of Hancock
    1961 Hancock
    1961 Print · USGS
    The Keweenaw Peninsula and Isle Royale are shown here at the start of the 1960s, featuring the region's historic copper mining and maritime infrastructure. Genealogists and researchers can trace local families through settlements like Atlantic Mine and Painesdale, or locate remote landmarks including Rock of Ages Light and Eagle Harbor.
  46. 1966 Map of Hancock, 1987 Print
    1966 Map of Hancock, 1987 Print
    1966 Hancock
    1987 Print · USGS
    The Keweenaw Peninsula and Isle Royale are captured in the mid-1960s during a pivotal era for Michigan’s Copper Country. Trace the industrial footprint of the SOO LINE through Calumet or locate historic maritime landmarks like Fort Wilkins and Rock of Ages Light.
  49. 1967 Map of Iron River, 1968 Print
    1967 Map of Iron River, 1968 Print
    1967 Iron River
    1968 Print · USGS
    The Upper Peninsula and northern Wisconsin borderlands are shown here in the late sixties, a landscape of deep woods and iron-country rail lines. Genealogists and historians can trace the lakeside settlements of L'Anse and Ontonagon or follow the Soo Line through towns like Michigamme and Nestoria.
  52. 1978 Map of Point Mills, 1980 Print
    1978 Map of Point Mills, 1980 Print
    1978 Point Mills
    1980 Print · USGS
    Houghton County's industrial shoreline and timbered tracts are revealed in this 1970s aerial survey. Trace the footprints of late-century development around Dollar Bay, Senter, and the meeting of the Sturgeon River with the lake.
  55. 1978 Map of Chassell, 1980 Print
    1978 Map of Chassell, 1980 Print
    1978 Chassell
    1980 Print · USGS
    Houghton County at the close of the 1970s shows the enduring footprint of the Copper Country's mining and maritime industry. Trace the layout of settlements like Atlantic Mine and Chassell or the waterfront developments along Portage Lake.
  58. 1982 Map of Nisula, 1983 Print
    1982 Map of Nisula, 1983 Print
    1982 Nisula
    1983 Print · USGS
    The townships of Laird and Bohemia appear in the early eighties as a landscape of dense forests and river headwaters. Researchers can locate the community of Nisula, find St Henrys Ch, and trace the path of the Otter River or the old railroad Siding.
  61. 1982 Map of Donken, 1983 Print
    1982 Map of Donken, 1983 Print
    1982 Donken
    1983 Print · USGS
    The Keweenaw Peninsula forestlands and glacial lakes are shown here in the early eighties as a quiet region of timber and recreation. Local historians can trace the small settlements of Donken and Toivola or the boundaries of Twin Lakes State Park.
  64. 1984 Map of Pine Lake, 1985 Print
    1984 Map of Pine Lake, 1985 Print
    1984 Pine Lake
    1985 Print · USGS
    Houghton County’s dense timberlands and river systems are documented here in the mid-1980s. Local researchers can locate the settlement of Tapiola, a local Cem, and the winding paths of the Elm River and Otter River.
  67. 1985 Map of Otter Lake
    1985 Map of Otter Lake
    1985 Otter Lake
    1985 Print · USGS
    The Copper Country wilderness comes into focus in the mid-1980s, showing a landscape defined by the winding Sturgeon River and the forested border of Baraga County. Researchers can trace the rural communities of Tapiola and Askel or follow the old industrial grades through the Copper State Forest.
  70. 1985 Map of Bear Town
    1985 Map of Bear Town
    1985 Bear Town
    1985 Print · USGS
    Upper Peninsula forests and winding river valleys dominate this mid-eighties record of Baraga County. Researchers can trace the path of the Old RR Grade and the Trading Strip through the L'Anse Indian Reservation and the town of Baraga.
  73. 1985 Map of Pelkie
    1985 Map of Pelkie
    1985 Pelkie
    1985 Print · USGS
    Upper Peninsula life in the mid-1980s is captured here as small communities like Pelkie and Alston thrive near the confluence of the Sturgeon River. Researchers can trace old routes like the West Grade or locate landmarks like Limestone Mountain.
Showing maps 1-25 of 73

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