
Gold-country mining and hydraulic infrastructure dominate this post-war survey of Calaveras County. The settlement of Murphys serves as a southern hub, situated near the Bret Harte Sanatorium and the geological landmark Mercer Cave. The map traces an intricate network of water management essential to the region's industry, including the Utica Ditch, a Penstock, and the Utica Powerhouse along Angels Creek.
46 named features on this map. Tap any name to fly to it.
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2 editions found
1889 · Jackson
USGS Topo · 1:125,000
1891 · Big Trees
USGS Topo · 1:125,000
1892 · Jackson
USGS Topo · 1:125,000
1894 · Big Trees
USGS Topo · 1:125,000
1897 · Jackson
USGS Topo · 1:125,000
1897 · Big Trees
USGS Topo · 1:125,000
1901 · Big Trees
USGS Topo · 1:125,000
1902 · Jackson
USGS Topo · 1:125,000
1945 · San Andreas
USGS Topo · 1:62,500
1947 · San Andreas
USGS Topo · 1:62,500