
The Roosevelt Roads Naval Reservation dominates the eastern coast of this mid-century survey, showing the military installation alongside established sugar industry infrastructure. The Fajardo Eastern Sugar Associates railroad lines and the Development Company tracks trace the economic patterns of the era, connecting inland areas like Mariana and Daguao to the coast. Coastal life is centered around Playa de Naguabo and the Puerto Naguabo, where the Río Santiago meets the Bahía Algodones.
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1945 · El Yunque
USGS Topo · 1:30,000
1946 · El Yunque
USGS Topo · 1:30,000
1946 · Humacao
USGS Topo · 1:30,000
1946 · Punta Puerca
USGS Topo · 1:30,000
1946 · Naguabo
USGS Topo · 1:30,000
1946 · Fajardo
USGS Topo · 1:30,000
1947 · Humacao SE
USGS Topo · 1:10,000
1947 · El Yunque SE
USGS Topo · 1:10,000
1947 · Humacao NE
USGS Topo · 1:10,000
1947 · Naguabo NE
USGS Topo · 1:10,000