1947 Map of Jayuya NE

About this map

The peak of Tres Picachos VABM 1204.7 marks the high point of this 1940s survey, situated along the complex administrative boundaries of Ciales, Jayuya, and Orocovis. This interior highland region of Puerto Rico is defined by its deep river valleys and isolated settlements, with Casa Blanca and Coabey appearing as focal points in the mountainous terrain. The map captures the intricate drainage system of the central cordillera, including the Río Cialitos and Río Negro, alongside smaller watercourses like the Salientito. These waterways dictated the placement of agricultural plots and small homesteads, visible through the density of building symbols clustered near the riverbanks and along the ridges of Palmas. Researchers of the island's interior will find the precise triangulation and topographic detail essential for understanding the historical land use before modern development reached these remote summits.