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1910 Map of Rio Vista

Name: 1910 Topographic Map of Rio Vista
Creator: U.S. Geological Survey
Published: 1910
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1910

About this map

The Sacramento River carves a deep channel through this 1910 delta landscape, separating the intricate island system of the east from the rising Montezuma Hills to the west. Around the town of Rio Vista, the map details a world of sloughs and reclaimed marshland, where the Yolo Basin meets the agricultural potential of Ryer Island and Grand Island. The layout of the period reveals a river-dependent economy, evidenced by the Pumping Plant on the northern end of Ryer Island and the specific placement of a Blacksmith Shop near the hills.

Fluvial patterns are the defining characteristic here, with Lindsey Slough and Cache Slough creating a complex network of waterways that dictated early travel and land use. Small landings like Newtown sit along the riverbanks, providing a glimpse into the localized transport nodes used before modern highways bridged these delta islands. The map also clearly delineates the border between Solano and Sacramento counties, which follows the center of the main river channel.