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1907 Map of Dunnigan

Name: 1907 Topographic Map of Dunnigan
Creator: U.S. Geological Survey
Published: 1948
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1948

About this map

The Sacramento River meanders through a landscape defined by river navigation and early rail infrastructure at the beginning of the 20th century. The waterway is lined with historic riverboat stops, including Cranmore Landing, Boyer's Landing, and Poffenbergers Landing, reflecting an era when the river served as a primary commercial artery for agricultural transport. Inland, the arrival of the Southern Pacific and the Woodland Line shifted the economic gravity toward railroad towns.

Settlements like Dunnigan and Zamora Blacks Station P O appear as established rail hubs, while the low-lying terrain to the east reveals a complex network of seasonal sloughs and islands. Features such as an Indian Mound near Collins Eddy and the presence of Grand Island suggest the long-term human adaptation to this riparian environment. This survey captures a transitional moment in the Sacramento Valley as it moved from reliance on paddlewheelers to the dominance of the locomotive.