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This 1911 Official Map of Siskiyou County, California, compiled by E.W. Nolan and Harvey J. Sarter, represents an authoritative historical record of land division and ownership in the early 20th century. Declared the official county map by the Honorable Board of Supervisors, this map provides a detailed visual narrative of the county's geographical and infrastructural evolution during a pivotal period in California's history.

The map's significance lies in its comprehensive portrayal of Siskiyou County, a region at the forefront of California's early development. During the late 19th and early 20th centuries, Siskiyou County was an epicenter of mining and logging activities, catalyzing economic growth in northern California. This map captures the county's transformation, delineating townships, cities, roads, and rivers with precision. Notably, it illustrates large tracts of land owned by the Central Pacific Railway (C.P.Ry), highlighted in peach, reflecting the era's industrial expansion and the railway's pivotal role in shaping the region's economic landscape. The map's large scale and detailed cadastral layout make it a vital historical document and a striking visual piece.


Only four examples are known to exist, all housed at California institutions: California Historical Society, Stanford University, the University of California Chico, and the University of California Davis.

Condition Description
Three-stone lithograph on two unjoined sheets.