Edna Valley Winery and Corbett Canyon Vineyard anchor the agricultural landscape of this coastal valley region, illustrating the established viticultural presence south of San Luis Obispo. The terrain is defined by a series of branching drainages including W Corral de Piedra Cr and Arroyo Grande Cr, which carve through the hills towards the coast at Grover Beach. These canyons, such as Poorman Canyon and Bee Canyon, show a transition from open ranching and vineyard lands to the residential expansion of Arroyo Grande. In the western hills, the Arroyo Grande Oil Field sits near the small settlement of Tiber, marking the industrial footprint of petroleum extraction alongside the area's more famous agricultural output. The northeastern corner is dominated by the waters of Lopez Reservoir and the rising slopes of Bald Mountain.
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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