
Agricultural colonias and industrial rail lines define this coastal landscape on the southeastern shore of Puerto Rico during the 1940s. The map illustrates a region transitioning between the sugar economy and maritime influence, where the Ferrocarril de Pasto Viejo and Ferrocarril del Este provided vital transport through the lowlands. Settlements like Pueblito de los Perros are situated near the prominent elevation of El Morillo, which overlooks the Mar Caribe. The network of watercourses, including the Río Humacao and Río Anton Ruiz, feeds into the marshy coastal plains near the border between the Municipio de Naguabo and Municipio de Humacao. This survey, prepared under the direction of Jorge J. Jiménez, captures the specific placement of agricultural outposts such as Colonia Mayo and Colonia Santa Teresa before mid-century modernization altered the local topography.
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This is the sole edition of this map. No revisions or reprints were ever made.
1946 · Humacao
USGS Topo · 1:30,000
1946 · Punta Guayanes
USGS Topo · 1:30,000
1946 · Naguabo
USGS Topo · 1:30,000
1947 · Humacao SO
USGS Topo · 1:10,000
1947 · Punta Guayanes NE
USGS Topo · 1:10,000
1947 · Punta Guayanes NO
USGS Topo · 1:10,000
1947 · Humacao NE
USGS Topo · 1:10,000
1947 · Humacao NO
USGS Topo · 1:10,000
1952 · Humacao
USGS Topo · 1:30,000
1952 · Punta Guayanes
USGS Topo · 1:30,000