Los Padres National Forest dominates this section of the Santa Lucia Range, where the upper Salinas River flows toward the eastern edge of the quadrangle. The map documents a rugged watershed defined by steep canyons and named peaks such as Lopez Mtn and Mt Lowe, alongside distinctive geological features like the Sulphur Pots. Transportation through this demanding terrain is marked by historical routes such as Stage Coach Rd and W Pozo Rd, crossing waterways at Fivemile Bridge. Modern infrastructure appears at the southern edge, where the Governor Edmund G Brown Coastal Br California Aqueduct cuts through the landscape. The northeastern corner contains a portion of Santa Margarita Lake, illustrating the regional importance of water management in this part of San Luis Obispo County.
45 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1897 · San Luis Obispo
USGS Topo · 1:62,500
1897 · Arroyo Grande
USGS Topo · 1:62,500
1900 · San Luis
USGS Topo · 1:125,000
1922 · Pozo
USGS Topo · 1:62,500
1922 · Nipomo
USGS Topo · 1:62,500
1942 · San Luis Obispo
USGS Topo · 1:62,500
1942 · Arroyo Grande
USGS Topo · 1:62,500
1947 · San Luis Obispo
USGS Topo · 1:250,000
1948 · San Luis Obispo
USGS Topo · 1:250,000
1952 · Arroyo Grande
USGS Topo · 1:62,500