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2015 Map of Jersey Island

Name: 2015 Topographic Map of Jersey Island
Creator: U.S. Geological Survey
Published: 2015
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2015

About this map

Sherman Island and Jersey Island occupy the heart of this intricate aquatic landscape where the Sacramento and San Joaquin rivers converge in the California Delta. This 2015 survey details the sophisticated network of waterways and levees required to maintain these below-sea-level tracts, including the Sacramento River Deep Water Ship Channel and the Stockton Deep Water Channel. These channels are vital arteries for maritime commerce, cutting through a mosaic of islands and shoals like Santa Clara Shoal.

Small settlements such as Jersey Point, Emmaton, and Bethel Island serve as focal points for local navigation and island life. The terrain is defined by its sloughs—Sevenmile Slough, False River, and Dutch Slough—which weave around large landmasses like Bradford Island and Twitchell Island. To the northwest, the Montezuma Hills provide a rare elevation contrast to the low-lying Sacramento Valley floor, while the Threemile Bridge provides a critical terrestrial link across the delta's many forks.