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Old Maps of Block 421, New Mexico

Explore 11 old maps of Block 421, spanning from 1916 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 Block 421 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 Block 421 to uncover forgotten places, hidden landmarks, and the deep history beneath your feet.

Block 421, NM maps

(11)
  1. 1916 Map of La Joya
    1916 Map of La Joya
    1916 La Joya
    1916 Print · USGS
    The Rio Grande valley at the time of the Belen Cut Off's construction reveals a landscape of massive Spanish land grants and new rail towns. Trace early settlements like La Joya and Becker or geological landmarks like Pyramid Crater.
  4. 1952 Map of Black Butte, 1953 Print
    1952 Map of Black Butte, 1953 Print
    1952 Black Butte
    1953 Print · USGS
    Central New Mexico is captured here in the early fifties, focusing on the vast desert land grants south of Belen. Researchers can trace the massive boundaries of the Casa Colorado Grant and Sevilleta Grant near Black Butte.
    2 unique versions available
  7. 1954 Map of Socorro, 1972 Print
    1954 Map of Socorro, 1972 Print
    1954 Socorro
    1972 Print · USGS
    Mid-century New Mexico comes into focus as the Rio Grande valley and the surrounding high desert undergo post-war growth. Genealogists and historians can trace old mountain settlements like Tajique and Punta de Agua or locate remote sites like the Torrance Mine.
    2 unique versions available
  10. 1958 Map of Socorro
    1958 Map of Socorro
    1958 Socorro
    1958 Print · USGS
    New Mexico's high desert during the late fifties reveals a landscape of massive land grants and remote mining outposts. Researchers can trace the path of the Atchison Topeka and Santa Fe railroad as it connects Socorro and Belen to industrial sites like the Manganese Mill.
  13. 1962 Map of Socorro
    1962 Map of Socorro
    1962 Socorro
    1962 Print · USGS
    Central New Mexico comes alive in the early sixties as the rail-and-river corridor of the Rio Grande connects historic pueblos and ranching towns. Local historians can trace the route of the Atchison Topeka and Santa Fe through Belen or locate the Torrance Mine near Mountainair.
  16. 1979 Map of Socorro
    1979 Map of Socorro
    1979 Socorro
    1979 Print · USGS
    The Rio Grande corridor south of Belen comes into focus during the late seventies, showing the vital link between river-valley agriculture and high-desert ranching. Genealogists and historians can trace riverside settlements like Polvadera and La Joya or locate the Abo Mine and Dewey Lode Mine.
    2 unique versions available
  19. 2010 Map of Black Butte, 2010 Print
    2010 Map of Black Butte, 2010 Print
    2010 Black Butte
    2010 Print · USGS
    Covers Block 421, including Valencia County, Socorro County, and other nearby areas
  22. 2013 Map of Black Butte, 2013 Print
    2013 Map of Black Butte, 2013 Print
    2013 Black Butte
    2013 Print · USGS
    Covers Block 421, including Valencia County, Socorro County, and other nearby areas
  25. 2017 Map of Black Butte, 2017 Print
    2017 Map of Black Butte, 2017 Print
    2017 Black Butte
    2017 Print · USGS
    Covers Block 421, including Valencia County, Socorro County, and other nearby areas
  28. 2020 Map of Black Butte, 2020 Print
    2020 Map of Black Butte, 2020 Print
    2020 Black Butte
    2020 Print · USGS
    Covers Block 421, including Valencia County, Socorro County, and other nearby areas
  31. 2023 Map of Black Butte, 2023 Print
    2023 Map of Black Butte, 2023 Print
    2023 Black Butte
    2023 Print · USGS
    The Socorro County desert comes alive in the early twenty-first century as a landscape of grid-iron roads and ancient arroyos. Trace family-named routes and ranch landmarks like Burris Ranch Number 1 Airport, Black Butte, and the Sevilleta National Wildlife Refuge.
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