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1900 Map of San Luis, 1906 Print
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1900 Map of San Luis

USGS Topo · Published 1906

About this map

San Luis Obispo serves as the inland anchor of this late nineteenth-century coastal landscape, connected to the sea via the Southern Pacific Railroad and the shipping infrastructure at Port Harford. The map reveals a coastal economy transitioning from maritime commerce at Mallagh Landing to terrestrial resource extraction, evidenced by the Asphalt Mines near Avila and the Goldtree site. Coastal settlements like Cayucos and Morro are depicted in their early development, while the iconic Morro Rock stands as a primary navigational landmark at the mouth of Morro Bay. To the north, the Salinas River headwaters emerge near Santa Margarita, marking the divide between the coastal valleys and the interior. The presence of numerous family-named landmarks like Hollister Peak and Lopez Mt. suggests the deep-rooted ranching and homesteading history of the central coast before modern suburban expansion.

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Map Details

Date Portrayed1900
Date Published1906
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:125,000
Physical Dimensions17.8 x 20.6 inches

Editions of this 1900 San Luis Map

Historical Maps of San Luis Obispo Through Time

287 maps found

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain