Old Maps of Broomfield, Colorado for Metal Detecting

Plan your next treasure hunt with 39 historic maps of Broomfield. 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 Broomfield.


Broomfield, CO maps

(39)
  1. 1890 Map of East Denver
    1890 Map of East Denver
    1890 East Denver
    1890 Print · USGS
    Denver and the surrounding plains are captured in the late frontier era as a complex web of irrigation canals and iron rails. Researchers can trace early water systems like the High Line Ditch or locate early settlements such as Parker's and Scranton.

  2. 1899 Map of West Denver
    1899 Map of West Denver
    1899 West Denver
    1899 Print · USGS
    The Denver metropolitan area and its western foothills appear in the late Victorian era as a burgeoning rail and irrigation hub. Researchers can trace the early footprints of Denver, Golden, and Littleton, alongside industrial sites like the Louisville Coal Mine and the grounds of Fort Logan.

  3. 1902 Map of Greeley
    1902 Map of Greeley
    1902 Greeley
    1902 Print · USGS
    The northern Colorado plains come alive in this survey of the South Platte and Cache la Poudre river valleys. Researchers can trace early railroad expansion and irrigation networks while locating specific homesteads like Klugs Ranch and old coal operations such as the Black Prince Coal Mine.
    4 unique versions available

  4. 1904 Map of Niwot
    1904 Map of Niwot
    1904 Niwot
    1904 Print · USGS
    The northern Colorado plains come alive in the early 1900s, showcasing a landscape shaped by coal mining and extensive irrigation. Genealogists and historians can trace family roots through settlements like Hygiene, Niwot, and Erie, or locate industrial sites such as Dixon Mill and the Gladstone Mine.
    3 unique versions available

  5. 1940 Map of Eastlake
    1940 Map of Eastlake
    1940 Eastlake
    1940 Print · USGS
    Adams County at the end of the 1930s shows a landscape of rail-side settlements and intensive irrigation. Genealogists can locate family landmarks like Wesley Chapel, rural school sites such as Moreland Sch, and the water networks of the Brantner Ditch.

  6. 1940 Map of Lafayette
    1940 Map of Lafayette
    1940 Lafayette
    1940 Print · USGS
    Lafayette and the northern Colorado coalfields are captured in the late 1930s as mining and rail transport shaped the local economy. Genealogists can trace family roots through named landmarks like Mandalay Sch, Lakeview Cem, and the Centennial Mine.

  7. 1942 Map of Louisville
    1942 Map of Louisville
    1942 Louisville
    1942 Print · USGS
    Louisville and the high plains of Boulder County are captured here just before the mid-century expansion. Genealogists and historians can trace the early footprints of Superior, Marshall, and Louisville, or locate rural landmarks like the Sacred Heart Ch and Shamrock Sch.
    3 unique versions available

  8. 1944 Map of Lafayette
    1944 Map of Lafayette
    1944 Lafayette
    1944 Print · USGS
    The northern Front Range in the years following the Great Depression was a landscape of coal mines and intricate irrigation reservoirs. You can trace the early footprints of Lafayette and Broomfield while locating industrial landmarks like the Centennial Mine and Burn Lee Sch.

  9. 1944 Map of Eastlake
    1944 Map of Eastlake
    1944 Eastlake
    1944 Print · USGS
    The South Platte River valley and the agricultural plains of Adams County appear here in the years before the Denver suburbs arrived. Genealogists and historians can trace rural family life through locations like Wesley Chapel, the local Cemetery, and early school sites like Brantner Sch.

  10. 1950 Map of Frederick
    1950 Map of Frederick
    1950 Frederick
    1950 Print · USGS
    The coal-rich corridor of Weld County is caught in a moment of industrial transition during the early 1950s. Genealogists and historians can trace the mining family hubs of Frederick, Firestone, and Dacono, alongside local schools like Mount View School and the Shamrock Mine.
    7 unique versions available

  11. 1950 Map of Louisville, 1955 Print
    1950 Map of Louisville, 1955 Print
    1950 Louisville
    1955 Print · USGS
    The Boulder Valley coal fields and irrigation networks are on full display in the mid-twentieth century. Researchers can trace dozens of mining sites like the Eldorado Mine, find the Superior Cemetery, and locate rural schools including Marshall Sch.

  12. 1950 Map of Erie, 1956 Print
    1950 Map of Erie, 1956 Print
    1950 Erie
    1956 Print · USGS
    In the mid-century landscape of the Colorado plains, coal mining and irrigation dictate the growth of towns and transport. Genealogists can trace family roots through markers like the Columbine Mine, Gooding School, and Erie Cem.

  13. 1951 Map of Erie
    1951 Map of Erie
    1951 Erie
    1951 Print · USGS
    The mining and agricultural corridor of Weld and Boulder counties is captured here in the early 1950s. Researchers can trace dozens of individual operations like the Morrison Mine and Erie Mine, or locate family sites near the Gooding School and Erie Cemetery.

  14. 1953 Map of Denver, 1964 Print
    1953 Map of Denver, 1964 Print
    1953 Denver
    1964 Print · USGS
    Denver and the Colorado Front Range are captured here during a decade of post-war growth and military expansion. Researchers can trace the sprawling rail lines of the Union Pacific, locate the State Capitol, and explore historic mountain mining hubs like Central City.
    6 unique versions available

  15. 1954 Map of Greeley, 1966 Print
    1954 Map of Greeley, 1966 Print
    1954 Greeley
    1966 Print · USGS
    Northern Colorado transitions from high-alpine peaks to the irrigated South Platte valley during this mid-century period of growth. Genealogists and historians can trace rail-connected hubs like Greeley and Longmont alongside landmarks like Horsetooth Reservoir and Estes Park.
    3 unique versions available

  16. 1956 Map of Lafayette, 1958 Print
    1956 Map of Lafayette, 1958 Print
    1956 Lafayette
    1958 Print · USGS
    Boulder County experiences a post-war transition in the mid-fifties as the new turnpike and traditional mining industries coexist. Researchers can trace early suburban expansion in Broomfield Heights while locating the Centennial Mine and local landmarks like Ruston Heights Airport.

  17. 1957 Map of Denver
    1957 Map of Denver
    1957 Denver
    1957 Print · USGS
    Denver and the Colorado Front Range are seen here during a mid-century period of intense military and urban expansion. Trace the footprints of the Rocky Mountain Arsenal, the early United States Air Force Academy, and the Lowry AF Base.

  18. 1957 Map of Greeley
    1957 Map of Greeley
    1957 Greeley
    1957 Print · USGS
    Northern Colorado in the mid-fifties is captured here as the agricultural plains of Weld County meet the high peaks of the Front Range. Genealogists and historians can trace rail-linked towns like Keenesburg and Roggen or locate early water features such as Boyd Lake and Fossil Creek Reservoir.

  19. 1957 Map of Louisville, 1958 Print
    1957 Map of Louisville, 1958 Print
    1957 Louisville
    1958 Print · USGS
    The northern Colorado coalfields and rural landscapes are captured here during a period of industrial transition. Researchers can trace numerous historic coal operations like the Cracker Jack Mine and Industrial Mine, alongside the early Denver Boulder Turnpike.
    2 unique versions available

  20. 1957 Map of Eastlake, 1958 Print
    1957 Map of Eastlake, 1958 Print
    1957 Eastlake
    1958 Print · USGS
    Adams County’s farming and irrigation heartland is frozen in time in the late fifties, just as the metropolitan area began its northward shift. Researchers can trace historic water rights and small-town roots through landmarks like Eastlake, the Wesley Cem, and the Union Pacific rail siding at Hazeltine.
    2 unique versions available

  21. 1958 Map of Greeley
    1958 Map of Greeley
    1958 Greeley
    1958 Print · USGS
    Northern Colorado and the high peaks of the Front Range appear here in the mid-fifties as the region's agricultural and rail networks were fully established. Genealogists can locate family homes near Virginia Dale, Waverly, or Kuner, and trace the path of the Union Pacific Railroad through Greeley.

  22. 1958 Map of Denver
    1958 Map of Denver
    1958 Denver
    1958 Print · USGS
    Denver and the Colorado Front Range are captured here during the mid-century suburban boom. Trace the footprints of military installations like Buckley Air Force Base alongside the established rail networks of the Colorado & Southern Ry.

  23. 1960 Map of Denver
    1960 Map of Denver
    1960 Denver
    1960 Print · USGS
    Denver and the Colorado Front Range are seen here at a pivotal moment of postwar expansion into the plains and foothills. Researchers can trace the mid-century rail network of the Denver & Rio Grande Western RR and locate historic institutional landmarks like Buckley Field and the Colorado School of Mines.

  24. 1961 Map of Greeley
    1961 Map of Greeley
    1961 Greeley
    1961 Print · USGS
    Northern Colorado's transition from high mountain peaks to irrigated plains is captured here just as the post-war population boom reached the Front Range. Researchers can trace early water infrastructure and rail lines like the Great Western RR connecting sugar beet hubs from Fort Collins to Greeley.

  25. 1964 Map of Greeley
    1964 Map of Greeley
    1964 Greeley
    1964 Print · USGS
    The Front Range corridor and high peaks of the Rockies appear here in the mid-1960s, showing the intersection of mountain wilderness and plains agriculture. Trace the rail routes of the Great Western RR or locate landmarks like Longs Peak and Horsetooth Reservoir.

Showing maps 1-25 of 39

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