Old Maps of Pacific, Missouri for Metal Detecting

Plan your next treasure hunt with 20 historic maps of Pacific. 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 Pacific.


Pacific, MO maps

(20)
  1. 1901 Map of De Soto
    1901 Map of De Soto
    1901 De Soto
    1901 Print · USGS
    Jefferson and Franklin Counties at the turn of the century show a landscape defined by industrial milling and river fords. Genealogists can trace early homesteads near Hillsboro or industrial sites like Vulcan Mine and Byrnes Mill.
    5 unique versions available

  2. 1903 Map of O'Fallon
    1903 Map of O'Fallon
    1903 O'Fallon
    1903 Print · USGS
    St. Charles County at the turn of the century is a labyrinth of river islands and rail lines at the confluence of the Missouri and Mississippi. Researchers can trace old river landings like Cap Au Gris Landing and family-named settlements from Moscow Mills to New Melle.
    5 unique versions available

  3. 1937 Map of Pacific
    1937 Map of Pacific
    1937 Pacific
    1937 Print · USGS
    In the late 1930s, the Meramec and Big River valleys formed a landscape of rail junctions and rural infirmaries. You can trace the rail lines at Pacific, locate the C C C Camp, or find local schools like McNamee Sch and La Barque Sch.
    4 unique versions available

  4. 1940 Map of Eureka
    1940 Map of Eureka
    1940 Eureka
    1940 Print · USGS
    The Missouri countryside west of St. Louis appears here just before the mid-century, defined by the twin river valleys of the Missouri and Meramec. You can trace the development of Eureka and Allenton along the St Louis San Francisco rail line, or find the CCC Camp and Wildhorse Creek Sch in the hills.

  5. 1944 Map of Eureka
    1944 Map of Eureka
    1944 Eureka
    1944 Print · USGS
    Southwest St. Louis County remains a landscape of creek-bottom farms and wooded ridges during the early 1940s. Genealogists can trace family roots through sites like Bethany Ch, Melrose Sch, and the old rail stops at Glencoe and Allenton.
    3 unique versions available

  6. 1947 Map of St. Clair, 1950 Print
    1947 Map of St. Clair, 1950 Print
    1947 St. Clair
    1950 Print · USGS
    Franklin County at the dawn of the fifties shows a landscape shaped by the winding Meramec River and a busy network of major railroads. Genealogists and local historians can locate early landmarks like Purina Farm, the Virginia Mines (Abandoned), and the Brush Creek Cem.
    3 unique versions available

  7. 1949 Map of Saint Louis
    1949 Map of Saint Louis
    1949 Saint Louis
    1949 Print · USGS
    Greater St. Louis and its surrounding river valleys are captured here just after the war, showing the metropolitan core and the rural Ozark fringe. Researchers can trace the sprawling rail network of the Wabash RR or locate landmarks like Meramec Caverns Airport and Scott Air Force Base.
    2 unique versions available

  8. 1950 Map of St. Clair
    1950 Map of St. Clair
    1950 St. Clair
    1950 Print · USGS
    Franklin County's winding river valleys and ridge-top settlements are captured here in the mid-twentieth century. Genealogists and local historians can trace family locations near Virginia Mines, the Henry Shaw Arboretum, and numerous rural schools like Ten Tiney Bluff Sch.

  9. 1954 Map of Pacific, 1959 Print
    1954 Map of Pacific, 1959 Print
    1954 Pacific
    1959 Print · USGS
    The Meramec River valley in the mid-fifties remains a world of winding rail lines and rural parishes. Genealogists can trace family footprints at St Stephens Ch, Byrnesville, and the grounds of the St Josephs Hill Infirmary.
    5 unique versions available

  10. 1954 Map of Eureka, 1959 Print
    1954 Map of Eureka, 1959 Print
    1954 Eureka
    1959 Print · USGS
    The rail-and-river corridor of western St. Louis County is captured here in the mid-fifties as rural life began to change. Genealogists can locate Wildhorse Creek Sch (Abandoned), the Allen Cem, and early settlements like Allenton and Melrose.
    7 unique versions available

  11. 1962 Map of St. Louis
    1962 Map of St. Louis
    1962 St. Louis
    1962 Print · USGS
    The mid-century gateway to the west shows the metropolitan expansion of St Louis alongside its critical river confluences. Genealogists and historians can trace the rail corridors of the Missouri Pacific RR and settlements from Fulton to De Soto.

  12. 1963 Map of St. Louis, 1970 Print
    1963 Map of St. Louis, 1970 Print
    1963 St. Louis
    1970 Print · USGS
    St. Louis and its surrounding river valleys are captured here during the peak of mid-century suburban expansion and industrial activity. Trace the historic rail routes of the Norfolk and Western Ry or locate the St Louis Ordnance Plant and early stretches of US Highway 66.
    4 unique versions available

  13. 1966 Map of St. Louis
    1966 Map of St. Louis
    1966 St. Louis
    1966 Print · USGS
    The St. Louis metropolitan area and its surrounding river valleys are captured here during the mid-sixties era of suburban growth and industrial strength. Genealogists and historians can trace the foundations of local communities through sites like Old Pioneer Cem, Parks College, and the Jefferson Barracks Military Reservation.

  14. 1969 Map of Gray Summit, 1971 Print
    1969 Map of Gray Summit, 1971 Print
    1969 Gray Summit
    1971 Print · USGS
    The Meramec River valley comes alive in the late sixties as a hub of rail transit and horticulture. Trace family roots at Old St Bridgets Cem or explore the vast Missouri Botanical Garden Arboretum and the rail junction at Pacific.

  15. 1979 Map of Eureka, 1981 Print
    1979 Map of Eureka, 1981 Print
    1979 Eureka
    1981 Print · USGS
    The Missouri landscape west of St. Louis comes into focus in the late 1970s through this detailed aerial survey. Genealogists and researchers can trace local developments near the Meramec River and the rural layout of Glencoe and Grover.

  16. 1985 Map of St Louis
    1985 Map of St Louis
    1985 St Louis
    1985 Print · USGS
    The St. Louis metropolitan area and its river confluences are captured here during a period of significant suburban expansion in the 1980s. Genealogists and historians can trace the development of older neighborhoods and landmarks like Jefferson Barracks, Cahokia Mounds State Park, and Washington University.
    3 unique versions available

  17. 1985 Map of Festus, 1987 Print
    1985 Map of Festus, 1987 Print
    1985 Festus
    1987 Print · USGS
    The Mississippi River corridor and Ozark foothills appear here in the mid-1980s, documenting a landscape of industrial river towns and forest preserves. Trace the development of Festus, Crystal City, and De Soto or locate sites like Mastodon State Park.

  18. 2021 Map of Eureka, 2021 Print
    2021 Map of Eureka, 2021 Print
    2021 Eureka
    2021 Print · USGS
    The suburbs and wooded ridges west of St. Louis are shown here in the modern era as they balance residential growth with local heritage. Researchers can trace the BNSF Railway corridor through Eureka or locate family sites near Allen Cem and Glencoe.

  19. 2021 Map of Gray Summit, 2021 Print
    2021 Map of Gray Summit, 2021 Print
    2021 Gray Summit
    2021 Print · USGS
    Franklin County in the early 2020s shows a landscape of river-bend settlements and deep-rooted family history. Genealogists can trace local lineages through Old Saint Bridgets Cem, Shiloh Cem, and Thompson Cem near the Meramec River.

  20. 2021 Map of Pacific, 2021 Print
    2021 Map of Pacific, 2021 Print
    2021 Pacific
    2021 Print · USGS
    Pacific and Eureka sit at a unique geographic crossroads where three counties meet along the winding Meramec River. Genealogists and local historians can trace family-named sites like Saint Columbkille Cem and the McNamee School Rd.

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