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2025 Map of Pass Cavallo SW, 2025 Print
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2025 Map of Pass Cavallo SW

USGS Topo · Published 2025

About this map

Matagorda Island serves as the dominant landform in this coastal survey, separating the open waters of the Gulf of America from the intricate wetlands and inlets of the Texas coast. The northeastern tip of the island is marked by the Matagorda Lighthouse Cem, a site of significant genealogical interest situated near the eponymous Lighthouse Cove. This area transitions into the vital maritime passage of Pass Cavallo, which connects the expansive Espiritu Santo Bay to Matagorda Bay. The landscape is a complex of shallow water features and small landmasses including Grass Island, Farwell Island, and Vanderveer Island. Interior reaches such as Big Pocket and Mule Slough illustrate the tidal environment that has historically defined the boundary between Calhoun and Matagorda counties.

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Map Details

Date Portrayed2025
Date Published2025
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 29 inches

Editions of this 2025 Pass Cavallo SW Map

This is the sole edition of this map. No revisions or reprints were ever made.

Historical Maps of Calhoun County Through Time

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain