The northern slopes of Mount Diablo dominate this landscape, where the suburban edges of Concord and Pittsburg meet the protected wilderness of the East Bay. The historic town of Clayton serves as a gateway to this transition between developed valley floor and steep ridges. Traces of the region's earlier industrial and rural history are visible in labels like Cowell, the site of a former cement plant and company town, and Nortonville, a vestige of the 19th-century Mount Diablo coal field.
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This is the sole edition of this map. No revisions or reprints were ever made.
1896 · Carquinez Strait
USGS Topo · 1:62,500
1896 · Mt. Diablo
USGS Topo · 1:62,500
1897 · Concord
USGS Topo · 1:62,500
1898 · Karquines
USGS Topo · 1:62,500
1898 · Mt. Diablo
USGS Topo · 1:62,500
1901 · Karquines
USGS Topo · 1:62,500
1902 · Napa
USGS Topo · 1:125,000
1907 · Antioch
USGS Topo · 1:62,500
1908 · Antioch
USGS Topo · 1:62,500
1915 · Concord
USGS Topo · 1:62,500