1940s Maps of San Lorenzo
Explore 12 historic maps of San Lorenzo 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 San Lorenzo'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 San Lorenzo's history through authentic maps from the 1940s. This is your window into the past.
San Lorenzo maps
(12)- 1946 Map of Patillas
1946 Patillas1946 Print · USGSPatillas and the surrounding mountain ridges come into focus in the mid-1940s as hydroelectric power and agriculture shaped the region. Genealogists and researchers can trace the vicinity of Hacienda Felicita and local schools like Escuela Segunda Unidad de Guamani.2 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 - 1946 Map of Caguas
1946 Caguas1946 Print · USGSCaguas and its surrounding sugar-producing valleys are captured here in the years following World War II. Local historians can trace the early industrial footprint of Central Santa Juana and find ancestral locations near Capilla San Patricio or the rural school at Escuela Segunda Unidad de Turabo.2 unique versions available - 1947 Map of Caguas NE
1947 Caguas NE1947 Print · USGSCaguas was a burgeoning hub of industry and agriculture in the mid-1940s, centered at the meeting of the Turabo and Caguitas rivers. Genealogists and historians can locate the Escuela Segunda Unidad de Turabo and industrial sites like Central Santa Juana. - 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 Patillas NE
1947 Patillas NE1947 Print · USGSThe interior mountains of southeastern Puerto Rico are captured here in the late 1940s, showing the high-elevation divide of the Sierra de Cayey. Local researchers can trace the early boundaries of the Bosque Insular de Carite and find remote landmarks like Campamento Real and Charco Azul. - 1947 Map of Juncos SO
1947 Juncos SO1947 Print · USGSSan Lorenzo's rural interior comes into focus during the mid-forties, showing the density of homesteads along the river valleys. Genealogists and researchers can locate landmarks like the Escuela Segunda Unidad de Quebrada Honda and trace family-named streams including Quebrada Salvatierra. - 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 Juncos NO
1947 Juncos NO1947 Print · USGSSan Lorenzo and the surrounding highlands are captured in detail just after the war, showing the area's transition into the mid-century. Researchers can trace the early town grid near the Río Grande de Loíza or locate rural homesteads in Cantagallo. - 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 Yabucoa NO, 1948 Print
1947 Yabucoa NO1948 Print · USGSSoutheast Puerto Rico’s interior hills are captured here in the late 1940s, showing a landscape defined by traditional rural life and complex waterways. Genealogists can locate family sites near Escuela La Aldea or along the Río Guayanés and Quebrada Lajas.
End of results
Showing maps 1-12 of 12
Frequently asked questions
- What are the different types of historical maps available for San Lorenzo?
- What is the oldest map of San Lorenzo?
- Where can I purchase historical maps of San Lorenzo for my home or office?
- Where can I download high-res historical maps of San Lorenzo?
- Are there historical topographic maps available for San Lorenzo?
- Is there historical aerial imagery available for San Lorenzo?
- Where are historical maps of San Lorenzo sourced from?