Old Maps of Neptune, Iowa for Genealogy

Trace your family roots with 7 historic maps of Neptune. 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 Neptune's past.


Neptune, IA maps

(7)
  1. 1955 Map of Sioux City, 1959 Print
    1955 Map of Sioux City, 1959 Print
    1955 Sioux City
    1959 Print · USGS
    The Missouri River valley in the mid-fifties is captured here during a time of major engineering and social transition. Genealogists and historians can trace the foundations of Gavins Point Dam, tribal boundaries on the Santee Sioux Indian Reservation, and local landmarks like the Norfolk State Hospital.
    4 unique versions available

  2. 1958 Map of Sioux City
    1958 Map of Sioux City
    1958 Sioux City
    1958 Print · USGS
    The Missouri River valley in the late fifties was a bustling intersection of tribal lands, rail corridors, and river towns. Genealogists can trace family roots through specific rural sites like Daisy Valley School, St Johns Church and School, and Yankton State Hospital.

  3. 1959 Map of Sioux City
    1959 Map of Sioux City
    1959 Sioux City
    1959 Print · USGS
    The tri-state region surrounding the Missouri River is captured here in the late fifties, showing the convergence of Nebraska, South Dakota, and Iowa. Researchers can trace rural lineages through numerous country schoolhouses like Cemetery School and the many numbered Washington School districts.

  4. 1962 Map of Union Center, 1964 Print
    1962 Map of Union Center, 1964 Print
    1962 Union Center
    1964 Print · USGS
    The agricultural heartland of Plymouth and Woodbury Counties is documented here in the early sixties, showing a landscape defined by rail lines and section roads. Researchers can locate family landmarks like St Josephs Cem, the small settlement of Neptune, and the path of the Illinois Central Railroad through Merrill.

  5. 1985 Map of Union Center NW, 1986 Print
    1985 Map of Union Center NW, 1986 Print
    1985 Union Center NW
    1986 Print · USGS
    Mid-century rail commerce and river geography define this Iowa landscape in the 1980s, where three major lines converge. Genealogists and historians can trace local roots at Trinity Ch, Stanton Cem, and the small settlement of Neptune.

  6. 1986 Map of Sioux City North
    1986 Map of Sioux City North
    1986 Sioux City North
    1986 Print · USGS
    The tri-state borderlands of Iowa, South Dakota, and Nebraska are captured here in the mid-eighties as the region's agricultural and academic centers thrived. Researchers can trace historic rail lines like the Illinois Central Gulf and locate landmarks from Briar Cliff College to the heights of Spirit Mound.
    2 unique versions available

  7. 2022 Map of Union Center NW, 2022 Print
    2022 Map of Union Center NW, 2022 Print
    2022 Union Center NW
    2022 Print · USGS
    Plymouth County's agricultural heartland is documented here in the early 2020s, showing the rural grid south of Le Mars. Genealogists can locate family landmarks like Stanton Cem, Mathwig Cem, and the riverside settlement of Merrill along the Floyd River.

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