
The Río Grande de Loiza and the Río Gurabo define the low-lying basins of this landscape, where the town of Gurabo sits at the junction of river valleys and rising mountain slopes. This 1969 field-checked survey captures the area during a period of transition, showing the Via del Ferrocarril and Via Antigua as markers of earlier transport corridors. Educational and institutional growth is evident through the Universidad de Puerto Rico Estación Experimental Agrícola and the Academia de la Policia.
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2 editions found
1940 · Carolina
USGS Topo · 1:30,000
1941 · San Juan
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 · Aguas Buenas
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