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1897 Map of Arroyo Grande

Name: 1897 Topographic Map of Arroyo Grande
Creator: U.S. Geological Survey
Published: 1918
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1918

About this map

Arroyo Grande and the surrounding coastal valleys appear in this late 19th-century survey during a period of significant railway and agricultural development. The landscape is defined by the meeting of the Santa Lucia Range and the Pacific Ocean, with the narrow-gauge Pacific Coast Railway and the Southern Pacific Railroad tracing the interior valleys and shoreline. This era shows established coastal landings such as Mallagh Landing near Avila, alongside the early layouts of towns like Oceano and Grover.

Resource extraction and health tourism are evident through the marked Asphalt Mines near Edna and the thermal destination of Sycamore Springs. In the southern portion of the sheet, the expansive Bolsa De Chamisal and the Santa Maria Valley transition into a wetland environment characterized by Oso Flaco Lake and Black Lake. These features reflect a coastal economy shifting from ranching and mining toward rail-supported agriculture and early seaside tourism.