The town of Sabana Grande serves as the focal point for this survey, situated where the northern highlands meet the wide southern agricultural plains. The landscape transitions from the peaks of Monte Palmero and Pico Fraile in the north down toward the extensive Valle de Lajas in the south. This transition is marked by a complex network of waterways, including the Rio Guanajibo and the engineering of the Canal Principal De Riego Valle De Lajas, which supports the region's productive valley floor.
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This is the sole edition of this map. No revisions or reprints were ever made.
1937 · San German
USGS Topo · 1:25,000
1937 · Sabana Grande
USGS Topo · 1:25,000
1938 · Guanica
USGS Topo · 1:30,000
1938 · Parguera
USGS Topo · 1:30,000
1941 · San German
USGS Topo · 1:30,000
1941 · Sabana Grande
USGS Topo · 1:30,000
1941 · Rosario
USGS Topo · 1:30,000
1942 · Rosario
USGS Topo · 1:30,000
1946 · Maricao
USGS Topo · 1:30,000
1946 · Yauco
USGS Topo · 1:30,000