
The Amador Valley and Livermore Valley are documented here in a contemporary state of dense suburban development and active infrastructure. This map highlights the significant urbanization of the Tri-Valley region, where Dublin, Pleasanton, and Livermore have expanded to nearly continuous settlement. Connectivity is a defining theme, shown through the complex road network including Dublin Blvd and Stanley Blvd, alongside the enduring route of the Southern Pacific railroad. Natural drainage remains visible through the winding paths of Arroyo Mocho and Arroyo Las Positas, even as they are flanked by modern industrial sites and the Livermore Municipal Airport. Local heritage and community landmarks are anchored by several notable grounds, including Roselawn Cem, Oak Knoll Cem, and Saint Michaels Cem, which serve as important reference points for genealogists tracking local families.
168 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.
1896 · Mt. Diablo
USGS Topo · 1:62,500
1898 · Mt. Diablo
USGS Topo · 1:62,500
1906 · Pleasanton
USGS Topo · 1:62,500
1907 · Tesla
USGS Topo · 1:62,500
1911 · Byron Hot Springs
USGS Topo · 1:31,680
1916 · Byron Hot Springs
USGS Topo · 1:31,680
1916 · Byron
USGS Topo · 1:62,500
1940 · Byron
USGS Topo · 1:62,500
1941 · Pleasanton
USGS Topo · 1:62,500
1942 · Altamont
USGS Topo · 1:62,500