
Edna and the northern outskirts of Grover City anchor this mid-1960s survey of the California coast's interior hills. The landscape is defined by the Southern Pacific rail line cutting through the valley and the significant industrial presence of the Arroyo Grande Oil Field to the west. Evidence of early rural education is prominent throughout the region, with several schools like Independence Sch, Los Ranchos Sch, and Branch Sch serving scattered ranching communities. The terrain transitions from the lowlands of Corral de Piedra Creek to the protected highlands of the Los Padres National Forest in the northeast. Notable landmarks include the Airway Beacon near Islay Hill and the winding Arroyo Grande Creek, which carves through the Corralitos Valley toward the coast. This record documents the balance of petroleum extraction and agriculture before late-century suburban expansion.
55 named features on this map. Tap any name to fly to it.
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6 editions found
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