El Yunque National Forest dominates this northeastern portion of the Island of Puerto Rico, where the high peaks of the Sierra de Luquillo intercept trade winds to create a unique tropical environment. The map details the intricate drainage system of the massif, including the headwaters of the Rio Espiritu Santo, Rio Mameyes, and Rio Sabana. Cultural landmarks are concentrated on the lower northern slopes near Palmer and Hato Candal, including the Cementerio Municipal Palmer. Within the forest boundary, historical recreation sites such as Bano de Oro and Monte Britton are documented alongside the prominent Pico El Yunque. The landscape transitions from these steep summits to the more settled valleys near La Dolores and Benitez, illustrating the sharp boundary between the protected forest and the surrounding agricultural or residential lands.
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This is the sole edition of this map. No revisions or reprints were ever made.
1940 · Carolina
USGS Topo · 1:30,000
1941 · Rio Grande
USGS Topo · 1:30,000
1941 · Carolina
USGS Topo · 1:30,000
1945 · El Yunque
USGS Topo · 1:30,000
1946 · El Yunque
USGS Topo · 1:30,000
1946 · Humacao
USGS Topo · 1:30,000
1946 · Gurabo
USGS Topo · 1:30,000
1946 · Juncos
USGS Topo · 1:30,000
1946 · Naguabo
USGS Topo · 1:30,000
1946 · Fajardo
USGS Topo · 1:30,000