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Old Maps of Egan, South Dakota for Academic Research

Study the evolution of Egan with 10 high-resolution historic maps. Whether you're teaching, researching, or modeling changes in land use, these maps provide essential visual documentation of urban, environmental, and geographic change.

  • Analyze long-term change: Track patterns in development, transportation, and natural features.
  • Ideal for environmental or urban studies: Support academic projects with primary historical map data.
  • Use in the classroom or lab: Educators and researchers rely on these maps to bring historical context to life.

These maps are a powerful tool for teaching, research, and visualizing how Egan has changed over the decades.

Egan, SD maps

(10)
  1. 1953 Map of Watertown, 1968 Print
    1953 Map of Watertown, 1968 Print
    1953 Watertown
    1968 Print · USGS
    Eastern South Dakota and the Minnesota borderlands are captured here during the mid-twentieth century as the region's agricultural and rail-service centers thrived. Genealogists and local historians can trace family-named sites across the Coteau des Prairies and find landmarks in Watertown, De Smet, and Brookings.
    3 unique versions available
  4. 1955 Map of Sioux Falls, 1967 Print
    1955 Map of Sioux Falls, 1967 Print
    1955 Sioux Falls
    1967 Print · USGS
    The eastern South Dakota and western Minnesota borderlands come alive in the mid-fifties, showing the vital rail-to-river connections of the era. Genealogists can trace family footprints across townships like Madison and Pipestone, while following the paths of the Big Sioux River and the Chicago and North Western line.
    3 unique versions available
  7. 1958 Map of Sioux Falls
    1958 Map of Sioux Falls
    1958 Sioux Falls
    1958 Print · USGS
    The tri-state borderlands of South Dakota, Minnesota, and Iowa are captured here during the mid-century peak of the regional rail network. Genealogists and historians can trace local landmarks like Augustana Academy, the St Marys Cem, and the path of the Illinois Central through Rock Rapids.
  10. 1958 Map of Watertown
    1958 Map of Watertown
    1958 Watertown
    1958 Print · USGS
    The eastern South Dakota prairie and the Minnesota borderlands are captured here in the late fifties, showcasing a landscape of terminal moraine lakes and burgeoning rail hubs. Genealogists and historians can trace the early paths of the Chicago and North Western railroad or locate family roots in Watertown, Clark, or the Sisseton Indian Reservation.
    2 unique versions available
  13. 1963 Map of Trent, 1964 Print
    1963 Map of Trent, 1964 Print
    1963 Trent
    1964 Print · USGS
    Moody County's rail and river landscape is captured here in the early sixties as the Big Sioux valley remained a vital transport corridor. Genealogists can trace family footprints at Gale Ridge Sch and several local burial grounds like Hillside Cem and Trent Cem.
    2 unique versions available
  16. 1964 Map of Flandreau SW, 1965 Print
    1964 Map of Flandreau SW, 1965 Print
    1964 Flandreau SW
    1965 Print · USGS
    Moody County's agricultural landscape is seen here in the early 1960s, centered on the railroad town of Egan. Genealogists can trace a dense network of country schoolhouses and churches including Tidd Sch, Clare Ch, and Bell Sch.
    2 unique versions available
  19. 1985 Map of Sioux Falls
    1985 Map of Sioux Falls
    1985 Sioux Falls
    1985 Print · USGS
    In the mid-1980s, the borderlands of South Dakota, Minnesota, and Iowa reveal a landscape shaped by the Big Sioux River and a growing urban hub. Researchers can trace the development of Sioux Falls and locate smaller communities like Dell Rapids, Garretson, and Valley Springs.
    2 unique versions available
  22. 1985 Map of Brookings
    1985 Map of Brookings
    1985 Brookings
    1985 Print · USGS
    The South Dakota and Minnesota borderlands in the mid-1980s are defined here by a network of prairie lakes and bustling rail corridors. Researchers can trace the path of the Chicago and North Western through Brookings or explore the numerous wetlands of Oakwood Lakes State Park.
    2 unique versions available
  25. 2021 Map of Trent, 2021 Print
    2021 Map of Trent, 2021 Print
    2021 Trent
    2021 Print · USGS
    Moody County's agricultural heartland is documented here in the early twenty-first century as the Big Sioux River winds past small-town hubs. Researchers can trace local heritage at Trent Mounds, locate family plots at Trent Cem, or explore the rural surroundings of Lone Tree.
  28. 2021 Map of Flandreau SW, 2021 Print
    2021 Map of Flandreau SW, 2021 Print
    2021 Flandreau SW
    2021 Print · USGS
    Moody County agriculture and the Big Sioux River valley are shown in this contemporary topographic record. Local historians can trace the geography around Egan and find family-named landmarks like Clare Cem and the Jay Heath Canoe & Kayak Trl.
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