1936 Map of Olmito
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1936 Map of Olmito

USGS Topo · Published 1936

About this map

The ancient distributary channels of the Rio Grande delta dominate this 1930s landscape of southern Cameron County, appearing as the winding, serpentine oxbows of Resaca de los Cuates, Resaca del Rancho Viejo, and Resaca de la Palma. This era represents a significant period of agricultural development, where the Missouri Pacific railroad corridor and State Highway No 4 provided the backbone for settlements like Olmito and Barreda. The land is divided into numbered tracts and garden roads, including Iowa Gardens Road, reflecting the irrigation-driven citrus and vegetable boom of the Lower Rio Grande Valley.


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Map Details

Date Portrayed1936
Date Published1936
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:31,680
Physical Dimensions17.1 x 19.9 inches

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Source Details

CopyrightPublic Domain