Adjuntas sits at the heart of this central cordillera landscape, serves as a hub for the surrounding peaks and river valleys. The town is flanked by dramatic elevations such as Cerro El Gigante and Cuchilla de Juan Gonzalez, with many small quebradas and larger rivers carving through the terrain. A complex network of water resources is evident, from the Rio Grande de Arecibo to several reservoirs including Lago Adjuntas, Lago Garzas, and the southern reaches of Lago Caonillas. Transportation through this steep geography relies on routes like PR-10 and PR-123, which connect the mountain settlements to the northern and southern coasts. The map reveals a landscape dominated by its water systems and high ridges, including Monte Hormiga and Cerro Prieto, illustrating the challenging yet vital nature of this interior region of the Island of Puerto Rico.
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1945 · Ponce
USGS Topo · 1:30,000
1946 · Utuado
USGS Topo · 1:30,000
1946 · Bayaney
USGS Topo · 1:30,000
1946 · Yauco
USGS Topo · 1:30,000
1946 · Jayuya
USGS Topo · 1:30,000
1946 · Monte Guilarte
USGS Topo · 1:30,000
1946 · Florida
USGS Topo · 1:30,000
1946 · Penuelas
USGS Topo · 1:30,000
1946 · Adjuntas
USGS Topo · 1:30,000
1947 · Yauco NE
USGS Topo · 1:10,000