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1967 Map of El Yunque

Name: 1967 Topographic Map of El Yunque
Creator: U.S. Geological Survey
Published: 1982
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1982

About this map

The Caribbean National Forest dominates the Luquillo Mountains in this mid-century survey, revealing a landscape where dense tropical forestry meets emerging infrastructure. Steep elevations rise from the northern coastal plains of Mameyes (Palmer PO) and La Dolores toward the prominent peaks of Pico El Yunque and Mte Britton. This transition is marked by a network of specialized facilities, including the Campamento Eliza Colberg and the Planta de Purificacion, reflecting the area's dual role as a protected wilderness and a vital water source for the surrounding regions.

Local rural life is concentrated along the river valleys of the Rio Espiritu Santo and Rio Mameyes, where numerous country schools like Escuela Guzman Arriba and Escuela Malpica served small settlements such as El Verde and Sonadora. The map illustrates the complex drainage system of the mountain range, tracing dozens of named streams like Quebrada de Lajas and Quebrada Sonadora as they flow through the barrios of Guzman Abajo and Zarzal.