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2019 Map of Portland

Name: 2019 Topographic Map of Portland
Creator: U.S. Geological Survey
Published: 2019
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2019

About this map

Portland and the northern reaches of Corpus Christi define the shoreline at this critical coastal junction. The map illustrates the infrastructure connecting San Patricio and Nueces counties, centered on the Nueces Bay Causeway as it spans the waters between Nueces Bay and Corpus Christi Bay. This 2019 survey captures the developed waterfront along Sunset Drive and Shore Drive, where residential streets meet the ecologically diverse edge of Sunset Lake.

The aquatic landscape is the primary focus, revealing the subsurface geography of the Texas coast through named features like Indian Reef, Alta Vista Reef, and Long Reef. To the east, La Quinta Island and Donnel Reef mark the transition toward industrial shipping routes, underscored by the deep Corpus Christi Channel cutting through the open water. This map serves as a precise record of the shoreline and bay floor at the end of the 2010s.