
Guaynabo serves as the primary urban hub in this mid-century topographic study, which captures the interior of Puerto Rico before the extensive suburban development of later decades. The landscape is defined by the winding course of the Rio Guaynabo and the prominent Cerro Magueyes, with several small settlements such as La Esperanza and El Murao dotting the mountainous terrain. The map provides a detailed view of the municipal boundary between the Municipio de Guaynabo and the Municipio de Rio Piedras. Significant local landmarks include the Escuela Segunda Unidad de Caimito and a Cantera (quarry), illustrating the educational and industrial infrastructure of the era. The dense network of trails and secondary roads connecting places like La Muda and El Laberinto reflects a rural economy still largely dependent on local topography and traditional routes.
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This is the sole edition of this map. No revisions or reprints were ever made.
1941 · Bayamon
USGS Topo · 1:30,000
1941 · San Juan
USGS Topo · 1:30,000
1946 · Aguas Buenas
USGS Topo · 1:30,000
1946 · Naranjito
USGS Topo · 1:30,000
1947 · Naranjito SE
USGS Topo · 1:10,000
1947 · Bayamon
USGS Topo · 1:30,000
1947 · Naranjito NE
USGS Topo · 1:10,000
1947 · Aguas Buenas NE
USGS Topo · 1:10,000
1947 · Aguas Buenas SE
USGS Topo · 1:10,000
1947 · Aguas Buenas SO
USGS Topo · 1:10,000