
Naranjito and the surrounding central highlands are captured in this mid-century survey, revealing a landscape defined by sharp elevation changes and early industrial infrastructure. The presence of the Planta Hidroeléctrica Comerío No 1 and Planta Hidroeléctrica Comerío No 2 on the interior river system highlights the region's importance for power generation during Puerto Rico's era of modernization.
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This is the sole edition of this map. No revisions or reprints were ever made.
1940 · Vega Alta
USGS Topo · 1:30,000
1941 · Bayamon
USGS Topo · 1:30,000
1941 · San Juan
USGS Topo · 1:30,000
1946 · Aguas Buenas
USGS Topo · 1:30,000
1946 · Corozal
USGS Topo · 1:30,000
1946 · Barranquitas
USGS Topo · 1:30,000
1946 · Vega Alta
USGS Topo · 1:30,000
1946 · Comerio
USGS Topo · 1:30,000
1946 · Naranjito
USGS Topo · 1:30,000
1946 · Caguas
USGS Topo · 1:30,000