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1962 Map of Santa Rosa

Name: 1962 Topographic Map of Santa Rosa
Creator: U.S. Geological Survey
Published: 1962
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1962

About this map

The Northwestern Pacific RR corridor serves as the backbone of settlement in the early 1960s, threading through the Cotati Valley and connecting hubs like Santa Rosa and Petaluma. This era is defined by a landscape transitioning from the rugged coastal reaches of the Pacific Ocean to the established agricultural and industrial zones of the North Bay. Along the southern edge, the strategic importance of San Pablo Bay is evident through significant military and maritime installations including the Mare Island Naval Shipyard and Hamilton Field.

Inland, the topography is dominated by the Mayacmas Mountains and Vaca Mountains, where features like The Geysers and the newly created Lake Berryessa reflect the region's diverse geology and water management. Smaller coastal communities like Point Arena and Tomales remain relatively isolated by the coastal ranges, while the Russian River winds toward the sea through the Alexander Valley, marking the northern bounds of the wine country before its mid-century expansion.