
Union Hill Mine Hydraulic Mine and the historic La Grange Mine reveal the heavy industrial footprint of gold-era hydraulic operations in this corner of the Trinity National Forest. The landscape is deeply etched by mining activity, evident in the extensive Tailings deposits along the Trinity River and the numerous named gulches like Ten Cent Gulch and Five Cent Gulch that drain toward Weaverville. The town itself serves as a hub of development, featuring a Golf Course, Lowden Park, and the Weaverville Airport. To the south, Douglas City sits at a bend in the river near the Readings Bar Site, marking an area where early river-based settlements once thrived. This 1980s-era data shows the transition from extractive industry to a landscape defined by forest management and recreation, including the Douglas City Campground.
56 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.
1890 · Red Bluff
USGS Topo · 1:250,000
1894 · Red Bluff
USGS Topo · 1:250,000
1909 · Big Bar
USGS Topo · 1:96,000
1913 · Weaverville
USGS Topo · 1:125,000
1915 · Big Bar and Vicinity
USGS Topo · 1:250,000
1950 · Minersville
USGS Topo · 1:62,500
1950 · Weaverville
USGS Topo · 1:62,500
1951 · Hayfork
USGS Topo · 1:62,500
1951 · Helena
USGS Topo · 1:62,500
1952 · Weaverville
USGS Topo · 1:62,500