1959 Map of Pebblestone Shut-In
USGS Topo · Published 1991About this map
Mining operations and rugged coastal ridges define this landscape during the late 1950s, a period when the Nacimiento Res was a central feature of northern San Luis Obispo County. The map reveals an intensive history of extraction throughout the Santa Lucia Range, marked by numerous sites such as the Cambria Mine, Keystone Mine, and Almaden Mine. This concentration of mines, alongside several unnamed prospects, underscores the region's geological significance for quicksilver and other minerals.
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Map Details
Editions of this 1959 Pebblestone Shut-In Map
4 editions found
Other maps of this area
1919 · Bryson
USGS Topo · 1:62,500
1919 · Bradley
USGS Topo · 1:62,500
1919 · Adelaida
USGS Topo · 1:62,500
1919 · San Simeon
USGS Topo · 1:62,500
1932 · Adelaida
USGS Topo · 1:62,500
1937 · San Simeon
USGS Topo · 1:62,500
1941 · Bradley
USGS Topo · 1:62,500
1941 · Bryson
USGS Topo · 1:62,500
1942 · Adelaida
USGS Topo · 1:62,500
1942 · Bryson
USGS Topo · 1:62,500