1940s Maps of Las Piedras
Explore 11 historic maps of Las Piedras from the 1940s. These maps offer a rare glimpse into what life looked like during the 1940s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.
Whether you're researching your family's past, planning a metal detecting trip, or studying how Las Piedras's landscape evolved across the 1940s, these high-resolution maps are a powerful tool for exploring the history of this region.
- Focus on a specific era: All maps on this page are from the 1940s, giving you a focused view of this time period.
- See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
- Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
- View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.
Start exploring Las Piedras's history through authentic maps from the 1940s. This is your window into the past.
Las Piedras maps
(11)- 1945 Map of El Yunque
1945 El Yunque1945 Print · USGSThe peaks of the Luquillo range rise sharply in the mid-1940s, showing the interior of the Caribbean National Forest before modern expansion. Genealogists and historians can trace old community sites like Mameyes (Palmer), the Escuela Casiano Cepeda, and the localized activity at La Mina. - 1946 Map of El Yunque
1946 El Yunque1946 Print · USGSNortheastern Puerto Rico is depicted here in the mid-1940s, showcasing the mountainous interior as it rises from the coast. Researchers can trace the trails and summits of the Luquillo National Forest or locate rural landmarks like Mameyes (Palmer) and the Escuela Casiano Cepeda.3 unique versions available - 1946 Map of Humacao
1946 Humacao1946 Print · USGSCoastal Puerto Rico in the mid-forties was a landscape defined by the sugar industry and its specialized rail networks. Genealogists and historians can trace the worker colonias and railroads like the Ferrocarril de Pasto Viejo and Central Ejemplo.4 unique versions available - 1946 Map of Juncos
1946 Juncos1946 Print · USGSEastern Puerto Rico’s agricultural heartland is documented here in the mid-1940s, centered on the growing municipalities of Juncos and San Lorenzo. Genealogists and researchers can trace local family lands near the Escuela Segunda Unidad de Quebrada Honda and the fields of Eastern Sugar Associates.3 unique versions available - 1946 Map of Yabucoa
1946 Yabucoa1946 Print · USGSSoutheastern Puerto Rico during the mid-forties reveals a landscape defined by its sugar industry and coastal mountains. Genealogists and historians can trace the social geography of the era through the locations of Central Roig, Colonia Laura, and the heights of Cerro La Pandura.3 unique versions available - 1947 Map of Humacao SO
1947 Humacao SO1947 Print · USGSSoutheast Puerto Rico in the late 1940s reveals a landscape driven by sugar and steam. Genealogists and historians can trace the rail lines of the Ferrocarriles and locate early residential areas like Colonia Electra, Patagonia, and Collores. - 1947 Map of El Yunque SO
1947 El Yunque SO1947 Print · USGSThe rainforest peaks of eastern Puerto Rico are captured in this mid-century survey as they appeared before modern infrastructure reached deep into the mountains. Researchers can trace the high-altitude municipal boundaries near El Toro Southwest Peak and the source of the Río Grande de Loíza. - 1947 Map of Juncos NE
1947 Juncos NE1947 Print · USGSJuncos and its surrounding sugar lands are captured here in the late 1940s, just after the war. Researchers can trace the industrial footprint of the Central Juncos mill and the rail lines of Eastern Sugar Associates along the Río Gurabo. - 1947 Map of Juncos SE
1947 Juncos SE1947 Print · USGSThe interior of Las Piedras in the late 1940s reveals a network of mountain trails and municipal boundaries centered on Cerro Vistazo. Genealogists and historians can trace the headwaters of the Río Valenciano and Río Humacao through several municipal jurisdictions. - 1947 Map of Yabucoa NE
1947 Yabucoa NE1947 Print · USGSSoutheastern Puerto Rico's sugar country and mountain barrios are documented in detail during the late 1940s. Genealogists and historians can trace local family life near the Escuela Calabaza Arriba or industrial roots at Central Roig. - 1947 Map of Humacao NO
1947 Humacao NO1947 Print · USGSEastern Puerto Rico in the late 1940s reveals a landscape defined by the sugar industry and the mountains of the Caribbean National Forest. Genealogists and historians can trace the early footprints of settlements like Pueblito del Rio and Melillas along the banks of the Rio Gurabo.
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