1900s (20th Century) Maps of San Ildefonso, Coamo
Explore 10 historic maps of San Ildefonso from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — 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 Ildefonso's landscape evolved across the 1900s, 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 1900s, 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 Ildefonso's history through authentic maps from the 1900s. This is your window into the past.
San Ildefonso, Coamo maps
(10)- 1945 Map of Rio Descalabrado1945 Rio Descalabrado1945 Print · USGSCovers San Ildefonso, including Comunidad Johnny Tosco, Quintas del Llano, and other nearby areas3 unique versions available
- 1946 Map of Coamo1946 Coamo1946 Print · USGSCovers San Ildefonso, including Coamo, Cayures, and other nearby areas
- 1947 Map of Coamo SO1947 Coamo SO1947 Print · USGSCovers San Ildefonso, including Cayures, Sector El Meloncito, and other nearby areas
- 1947 Map of Coamo NO1947 Coamo NO1947 Print · USGSCovers San Ildefonso, including Coamo, San Diego, and other nearby areas
- 1952 Map of Rio Descalabrado, 1953 Print1952 Rio Descalabrado1953 Print · USGSCovers San Ildefonso, including Comunidad Johnny Tosco, Quintas del Llano, and other nearby areas
- 1952 Map of Coamo, 1953 Print1952 Coamo1953 Print · USGSCovers San Ildefonso, including Coamo, Cayures, and other nearby areas
- 1960 Map of Rio Descalabrado, 1962 Print1960 Rio Descalabrado1962 Print · USGSCovers San Ildefonso, including Comunidad Johnny Tosco, Quintas del Llano, and other nearby areas
- 1960 Map of Coamo, 1962 Print1960 Coamo1962 Print · USGSCovers San Ildefonso, including Coamo, Cayures, and other nearby areas
- 1972 Map of Coamo, 1973 Print1972 Coamo1973 Print · USGSCovers San Ildefonso, including Coamo, Cayures, and other nearby areas2 unique versions available
- 1972 Map of Rio Descalabrado, 1974 Print1972 Rio Descalabrado1974 Print · USGSCovers San Ildefonso, including Comunidad Johnny Tosco, Quintas del Llano, and other nearby areas4 unique versions available
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Frequently asked questions
- What are the different types of historical maps available for San Ildefonso?
- What is the oldest map of San Ildefonso?
- Where can I purchase historical maps of San Ildefonso for my home or office?
- Where can I download high-res historical maps of San Ildefonso?
- Are there historical topographic maps available for San Ildefonso?
- Is there historical aerial imagery available for San Ildefonso?
- Where are historical maps of San Ildefonso sourced from?









