
Jacksonville and the canyon of the Tuolumne River define this 1949 topographic study of Tuolumne County. This era captures the critical infrastructure of the Hetch Hetchy system, including the Hetch Hetchy Aqueduct and the Inclined Railroad near the Moccasin settlement. The map serves as a vital record for mining history, pinpointing operations like the Harriman Mine, Clio Mine, and McAlpine Mine before further 20th-century landscape changes.
38 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.
1893 · Sonora
USGS Topo · 1:125,000
1896 · Sonora
USGS Topo · 1:125,000
1897 · Sonora
USGS Topo · 1:125,000
1898 · Sonora
USGS Topo · 1:125,000
1915 · La Grange
USGS Topo · 1:24,000
1919 · La Grange
USGS Topo · 1:31,680
1944 · Merced Falls
USGS Topo · 1:62,500
1947 · San Jose
USGS Topo · 1:250,000
1947 · Coulterville
USGS Topo · 1:62,500
1947 · Chinese Camp
USGS Topo · 1:24,000