1979 Map of San Ygnacio, 1980 Print
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1979 Map of San Ygnacio

USGS Topo · Published 1980

About this map

San Ygnacio and its cross-border counterpart San Ignacio stand as the primary settlements along the Rio Grande during the late 1970s. The landscape is dominated by the rising waters of the Falcon Reservoir, where several buoys mark the submerged international boundary. This era shows a transition in land use along the river, with older sites like Santa Cruz (Abandonado) giving way to modern infrastructure such as the Landing Strip and Roadside Park. Local genealogy is well-documented through several burial grounds, including the Uribe Cem, Cementerio Del Pueblo, and New Ramireño Cem. Away from the water, the terrain is defined by complex arroyos like Arroyo El Grullo Creek and Arroyo San Francisco, while smaller ranching outposts such as Rancho Grande (Tio Salinas) and El Rebombeo dot the Zapata County brushland.


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Map Details

Date Portrayed1979
Date Published1980
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24.4 x 27.5 inches

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Source Details

CopyrightPublic Domain