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1949 Map of Thompson Canyon

Name: 1949 Topographic Map of Thompson Canyon
Creator: U.S. Geological Survey
Published: 1984
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1984

About this map

King City sits at the junction of the Salinas River valley and the rugged coastal ranges, serving as a vital agricultural and transit hub along the Southern Pacific railroad line. This 1949 survey, with revisions into the early 1980s, illustrates the town's expansion toward San Lorenzo County Park and the development of local infrastructure like a sewage disposal plant and multiple pumping stations. Beyond the urban core, the landscape is defined by a series of dramatic land grants and drainages, including the Posa de los Ositos and San Bernabe areas.

Deep canyons such as Thompson Canyon, Monroe Canyon, and Pines Canyon carve into the western uplands, revealing a network of windmills and water sources essential for cattle ranching. Traces of earlier occupation are visible in the form of ruins near the southern boundary, while the small settlement of Elsa to the north marks another point on the rail line. The map highlights the transition from the flat, irrigated river bottom along Central Avenue to the steep, wooded terrain of the Monterey County interior.