
Isabela and Moca anchor this detailed survey of northwestern Puerto Rico, where the coastal plains give way to the rising elevations of the Cordillera Jaicoa. The landscape is defined by an intricate network of water management and natural drainages, including the Canal Principal de Diversión and Canal Moca, which cut across the terrain near settlements like Aceitunas and Mora. In the south, the Río Culebrinas and its tributaries, such as Quebrada Grande and Quebrada Dulce, snake through the valley near Voladoras and Isleta.
86 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1937 · Aguadilla
USGS Topo · 1:20,000
1937 · Moca
USGS Topo · 1:20,000
1938 · Alto Sano
USGS Topo · 1:20,000
1938 · San Sebastian
USGS Topo · 1:20,000
1938 · Quebradillas
USGS Topo · 1:20,000
1941 · Moca
USGS Topo · 1:30,000
1941 · Rincon
USGS Topo · 1:30,000
1941 · Rincon
USGS Topo · 1:30,000
1941 · Isabela
USGS Topo · 1:30,000
1941 · San Sebastian
USGS Topo · 1:30,000