Old Maps of Rosario Alto, San Germán for Metal Detecting

Plan your next treasure hunt with 11 historic maps of Rosario Alto. 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 Rosario Alto.


Rosario Alto, San Germán maps

(11)
  1. 1941 Map of Rosario, 1952 Print
    1941 Map of Rosario, 1952 Print
    1941 Rosario
    1952 Print · USGS
    Western Puerto Rico's mountain interior comes alive in this mid-century survey of the Rosario region. Researchers can trace ancestral lands through numerous named estates like Hacienda Juanita and Hacienda Esperanza, or locate early community centers such as Limon and Iglesia de San Jose.
    2 unique versions available

  2. 1942 Map of Rosario
    1942 Map of Rosario
    1942 Rosario
    1942 Print · USGS
    Western Puerto Rico is captured here in the era before widespread urbanization, showing the mountainous agricultural estates and early rail infrastructure. Genealogists can trace family holdings at Hacienda Esperanza or locate landmarks like the Hospital de Tuberculosis and American R. R.
    3 unique versions available

  3. 1946 Map of Maricao
    1946 Map of Maricao
    1946 Maricao
    1946 Print · USGS
    Maricao and the western ridges of the Cordillera Central are shown in detail during the 1940s, highlighting the island's traditional plantation culture. Researchers can locate numerous family estates like Hacienda San Antonio and schools such as the Segunda Unidad Escuela Vocacional Francisco Vicenty.
    3 unique versions available

  4. 1947 Map of Maricao SO
    1947 Map of Maricao SO
    1947 Maricao SO
    1947 Print · USGS
    Maricao and the high Cordillera Central are captured here in the late 1940s, highlighting a landscape of steep coffee-growing ridges and mountain camps. Trace the heritage of old estates like Hacienda Santa Rita and the isolated Campamento Santana.

  5. 1950 Map of Rosario SE
    1950 Map of Rosario SE
    1950 Rosario SE
    1950 Print · USGS
    San Germán and Maricao are shown here at mid-century, defined by steep mountain barrios and traditional agricultural estates. Genealogists and historians can trace family locations near Hacienda Córcega, the settlement of Las Vegas, and the watershed of the Río Rosario.

  6. 1952 Map of Maricao, 1953 Print
    1952 Map of Maricao, 1953 Print
    1952 Maricao
    1953 Print · USGS
    Western Puerto Rico’s coffee country is mapped in the early fifties, showing a landscape defined by traditional haciendas and emerging mid-century infrastructure. Genealogists and historians can trace family-named estates like Hacienda Lealtad and Hacienda Santa Rita alongside landmarks like the Criadero Insular de Peces.
    2 unique versions available

  7. 1955 Map of Rosario, 1958 Print
    1955 Map of Rosario, 1958 Print
    1955 Rosario
    1958 Print · USGS
    Mid-century San Germán and Maricao are shown here during a time when the highland economy still revolved around traditional haciendas. Genealogists and historians can locate family estates like Hacienda Juanita and community centers such as Rosario or the Iglesia de San Jose.

  8. 1960 Map of Maricao, 1961 Print
    1960 Map of Maricao, 1961 Print
    1960 Maricao
    1961 Print · USGS
    The mountains of western Puerto Rico are captured here in the early sixties, showing the agricultural heritage of Maricao. Genealogists can trace family lands across Hacienda Lealtad, Hacienda Santa Rita, and Pueblo Nuevo.
    3 unique versions available

  9. 1964 Map of Rosario, 1968 Print
    1964 Map of Rosario, 1968 Print
    1964 Rosario
    1968 Print · USGS
    The hill country of western Puerto Rico in the mid-sixties reveals a landscape of historic haciendas and emerging institutions. Genealogists and historians can locate family estates like Hacienda Retiro and community landmarks such as Capilla de Santa Ana or Escuela Mariano Abril.
    2 unique versions available

  10. 2024 Map of Maricao, 2024 Print
    2024 Map of Maricao, 2024 Print
    2024 Maricao
    2024 Print · USGS
    Maricao and the surrounding highlands are captured in this recent survey of western Puerto Rico. Researchers can trace local landmarks and residential sites like Pueblo Nuevo, Campamento Santana, and the Cementerio Municipal De Maricao.

  11. 2024 Map of Rosario, 2024 Print
    2024 Map of Rosario, 2024 Print
    2024 Rosario
    2024 Print · USGS
    The upland terrain of western Puerto Rico comes into focus during this contemporary survey of the Rosario river valley. Researchers can trace historic estate boundaries at Finca Marini or locate local landmarks like the Universidad Adventista de las Antillas.

End of results
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